Hebei Hengou Automotive Sealing Parts Co., Ltd.-Hebei Hengou Automotive Seals Co., Ltd. is a manufacturer and supplier specializing in the production of automotive sealing systems and precision rubber and plastic products! In the early days of the company, we always insisted on taking technological innovation as the driving force and product quality as our life, continuously introduced advanced technology and equipment, and was committed to providing customers with high-quality products and services.-Anti-theft door seal-The anti-theft door sealing strip is a sealing material specially designed for anti-theft doors. It is installed around the door to fill the gap between the door and the door frame to prevent cold wind, dust, insects and noise from entering the room. At the same time, it improves the airtightness and sound insulation of the door and enhances the door's anti-theft performance.-Building curtain seal strip-Building curtain wall sealing strips are sealing materials specially designed for building curtain wall systems. They are used to fill the gaps between curtain wall structures to prevent external environmental factors such as water vapor, wind, sand and dust from penetrating into the building, while improving the building's airtightness, sound insulation and thermal insulation.-Cold storage door seal-The cold storage door sealing strip is a sealing material specially designed for cold storage doors. It is installed in the gap between the perimeter of the door and the door frame to prevent cold air from penetrating into the room through the door gap, while preventing external air, dust, insects, etc. from entering the cold storage, maintaining the temperature and humidity inside the cold storage stable.-Aluminum plastic door and window sealing strip-Aluminum-plastic door and window sealing strips are sealing materials designed specifically for aluminum-plastic doors and windows. They are used to seal between door and window frames and glass to ensure the airtightness, sound insulation and waterproofness of doors and windows. Sealing strips are usually made of rubber, silicone, polyurethane and other materials, with good elasticity and durability.-Multifunctional door bottom sealing strip-The multifunctional door bottom sealing strip is a sealing material specially designed for the door bottom. It is installed at the bottom of the door to prevent cold wind, dust and noise from entering the room, and also to prevent insects, waterproof, sound insulation and heat preservation. It has multifunctional properties and is a commonly used door and window sealing material.-Wooden door slot sealing strip-Wooden door slot sealing strips are sealing materials designed for wooden doors. They are installed in the sealing grooves of wooden doors to ensure the airtightness and sound insulation between the door and the door frame. They are usually made of materials such as rubber, silicone or polyurethane, and have good elasticity and durability.-Self-adhesive sealing strip for wooden doors-The self-adhesive sealing strip for wooden doors is a sealing material specially designed for wooden doors. It has a self-adhesive backing and is easy to install on the edge of the wooden door or door frame. It is used to fill the gap between the door and the door frame to prevent cold wind, dust and noise from entering the room, while improving the sealing and sound insulation of the door.-Plastic steel door and window O-shaped strip-Plastic steel door and window O-type sealing strip is a sealing material specially designed for plastic steel doors and windows. It is usually installed in the sealing groove of the door and window frame to fill the gap between the door and window frame and the glass to prevent external environmental factors such as cold wind, dust, insects and noise from penetrating into the room, while improving the airtightness, sound insulation and thermal insulation of doors and windows.-Frameless glass door seal-Frameless glass door sealing strips are sealing materials specially designed for frameless glass doors. They are usually installed on the edge of glass doors to fill the gap between the door and the door frame to prevent cold wind, dust and noise from entering the room, while improving the sealing and sound insulation of the door.-Warehouse door seals-Warehouse door sealing strips are sealing materials specially designed for warehouse doors. They are installed around the door to fill the gap between the door and the door frame to prevent cold wind, dust, insects and moisture from entering the warehouse, while improving the airtightness and sound insulation of the door.-Refrigerator seal-The refrigerator sealing strip is a rubber strip installed in the gap of the refrigerator door. Its main function is to prevent the loss of cold air, prevent outside air from entering the refrigerator, maintain the internal temperature of the refrigerator stable, improve refrigeration efficiency, and extend the shelf life of food.-Lip seal-Lip seal is a rubber strip used for sealing doors and windows. Its cross section is lip-shaped and has good sealing performance. It is installed at the notch of the door and window frame to prevent air, water vapor and noise from penetrating into the room through the gap of the door and window, thus improving the indoor sound insulation and heat preservation effect.-Electrical sealing strip-Electrical sealing strips are sealing materials designed specifically for electrical equipment. They are usually installed on the outer casing or connection parts of electrical equipment to fill the gaps between electrical equipment, prevent dust, water vapor and other external environmental factors from entering the equipment, and protect the equipment from damage and pollution.-Oven sealing strip-The oven sealing strip is a sealing material specially designed for the oven. It is installed in the door seam, side panel seam and top panel seam of the oven to prevent hot air flow, moisture and other external environmental factors from entering the oven, maintain the temperature and humidity inside the oven stable, and improve baking efficiency and product quality.-Cabinet sealing strip-Cabinet sealing strips are sealing materials specially designed for cabinets. They are installed in the door seams, side panel seams and top panel seams of the cabinet to prevent dust, water vapor and other external environmental factors from entering the cabinet and protect the equipment inside the cabinet from pollution and damage.-Cabinet waterproof sealing strip-Cabinet waterproof sealing strips are sealing materials specially designed for cabinets. They are installed in the door seams, side panel seams and top panel seams of cabinets to prevent rain, dust and other external environmental factors from invading the interior of the cabinet and protect the goods from damage and contamination.-PVC steel composite decorative strip-PVC steel strip composite decorative strip is a decorative material made of PVC material and steel strip. It combines the light and easy processing characteristics of PVC material with the enhanced performance of steel strip, and has good strength, wear resistance and decorative effect. PVC steel strip composite decorative strip is widely used in architectural decoration, furniture decoration, door and window decoration and other fields.-PVC rubber sealing strip-PVC rubber and plastic sealing strip is a sealing product made of high-quality polyvinyl chloride (PVC) and rubber and plastic materials. This product combines the weather resistance of PVC and the flexibility of rubber and plastic materials, and has good aging resistance, corrosion resistance, wear resistance and waterproof performance. PVC rubber and plastic sealing strip is widely used in construction, automobile, electronic equipment and other industries, providing excellent sealing, sound insulation and shockproof effects.-Wrap-around sealing strip-The wrapped sealing strip is a high-performance sealing product made of high-quality materials. Its characteristic is that the surface of the sealing strip is covered with a layer of outer coating material, such as polyvinyl chloride (PVC), polyurethane (PU) or chloroprene rubber (CR), which can enhance the waterproof, dustproof and weather-resistant properties of the sealing strip. This structural design makes the wrapped sealing strip not only have excellent sealing performance, but also effectively prolong its service life, and is suitable for sealing protection needs in various harsh environments.-Nitrile rubber sealing strip-Nitrile rubber sealing strip is a sealing product made of nitrile rubber (NBR) material. NBR sealing strip has excellent oil resistance, wear resistance and weather resistance, and is suitable for sealing and protection applications in various industrial and automotive fields.-Fire retardant sealing strip-Fire retardant sealing strip is a sealing product made of special fireproof materials. This product has excellent flame retardant properties, which can effectively prevent the spread of flames when a fire occurs, protecting life and property safety. Fire retardant sealing strip also has good high temperature resistance, aging resistance, and corrosion resistance, and is widely used in construction, transportation, electronic equipment and other fields that require fire safety protection.-Silicone foam sealing strip-Silicone foam sealing strip is a foam sealing product made of high-quality silicone material. Due to its unique foaming structure, the sealing strip is light, soft, elastic, and has excellent high temperature resistance, low temperature resistance, aging resistance, ozone resistance and chemical corrosion resistance. Silicone foam sealing strip is widely used in automobiles, construction, electronic equipment, medical equipment, food processing and other fields, providing good sealing, shock absorption and sound insulation effects.-Silicone dense sealing strip-Silicone dense sealing strip is a sealing product made of high-quality silicone material. It has excellent high temperature resistance, low temperature resistance, aging resistance, ozone resistance, chemical corrosion resistance, and is non-toxic, odorless, and environmentally friendly. Silicone dense sealing strip has good elasticity and flexibility, and is widely used in food processing, medical equipment, electronic equipment, automobiles, construction and other fields, providing excellent sealing and sound insulation effects.-Neoprene foam sealing strip-Chloroprene foam sealing strip is a foam sealing product made of chloroprene rubber (CR) material. It is light, soft, elastic, and has good weather resistance, oil resistance, and chemical corrosion resistance. Chloroprene foam sealing strip is widely used in automobiles, construction, electronic equipment, medical equipment and other fields, providing good sealing, sound insulation and protection effects.-Neoprene sealing strip-Neoprene sealing strip is a high-performance sealing product made of neoprene material. Neoprene has good oil resistance, heat resistance and weather resistance, and has excellent sealing performance in various harsh environments. Neoprene sealing strip is usually used in sealing applications that require oil resistance, high temperature resistance and weather resistance.-EPDM foam sealing strip-EPDM foam sealing strip is a sealing product made of high-quality EPDM rubber (EPDM). The product has excellent aging resistance, ozone resistance, UV resistance and chemical corrosion resistance, and has good elasticity and flexibility. It is widely used in automobile, construction, machinery and other industries, providing excellent sealing and sound insulation effects.-EPDM dense sealing strip-EPDM solid seal strip is a sealing product made of high-quality EPDM rubber (EPDM). Compared with foam seal strip, solid seal strip has higher density and strength, and can provide excellent sealing performance and mechanical stability. It has excellent aging resistance, ozone resistance, UV resistance and chemical corrosion resistance, and is widely used in automobile, construction, machinery and other industries.-D-type sealing strip-D-type sealing strip is a kind of sealing material, usually made of rubber or silicone, with a "D" shaped cross section. It has good sealing performance and elasticity, and can be used to fill or seal gaps of different shapes or sizes, providing waterproof, dustproof, soundproof and other effects. D-type sealing strip is commonly used in doors and windows, automobiles, electronic products, furniture and other fields.-E-type sealing strip-E-type sealing strip is a sealing material, usually made of rubber or silicone, with an "E" shaped cross section. It has good sealing performance and elasticity, and can be used to fill or seal gaps of different shapes or sizes, providing waterproof, dustproof, soundproof and other effects. E-type sealing strips are commonly used in doors and windows, automobiles, electronic products, furniture and other fields.-L-shaped sealing strip-L-shaped sealing strip is a kind of sealing material, usually made of rubber or silicone, with an "L" shaped cross section. It has good sealing performance and elasticity, and can be used to fill or seal gaps of different shapes or sizes, providing waterproof, dustproof, soundproof and other effects. L-shaped sealing strips are commonly used in doors and windows, automobiles, electronic products, furniture and other fields.-O-type sealing strip-O-type sealing strip is a kind of annular sealing material, usually made of rubber, silicone or fluororubber, with a circular cross section. It has good sealing performance and elasticity, and can be used to fill or seal the joints of pipes, bearings, valves and other equipment to prevent liquid or gas leakage. O-type sealing strip is widely used in machinery, automobiles, aerospace and other fields.-P-type sealing strip-P-type sealing strip is a special shape of sealing material, usually made of rubber, silicone or fluororubber. Its cross section is "P" shaped, with good sealing performance and elasticity, and can be used to fill or seal gaps of different shapes or sizes to prevent liquid or gas leakage. P-type sealing strip is suitable for various mechanical equipment, automobiles, ships and other fields.-T-type sealing strip-T-type sealing strip is a special shape of sealing material, usually made of rubber, silicone or fluororubber. Its cross section is "T" shaped, with good sealing performance and elasticity, and can be used to fill or seal gaps of different shapes or sizes to prevent liquid or gas leakage. T-type sealing strip is suitable for various mechanical equipment, automobiles, ships and other fields.-U-shaped sealing strip-U-shaped sealing strip is a special shape of sealing material, usually made of rubber, silicone or fluororubber. Its cross section is "U" shaped, with good sealing performance and elasticity, and can be used to fill or seal gaps of different shapes or sizes to prevent liquid or gas leakage. U-shaped sealing strip is suitable for various mechanical equipment, automobiles, ships and other fields.-Rectangular sealing strip-Rectangular sealing strip is a sealing material used to fill or seal rectangular gaps, usually made of rubber, silicone, fluororubber and other materials. Its cross section is rectangular, with good sealing performance and elasticity, and can be used for sealing and sound insulation in various mechanical equipment, building doors and windows, automobiles and other fields.-Door glass slide-The door glass runner is a metal or plastic guide installed inside the car door to support and guide the up and down movement of the window glass. It is located on the inside of the car door and fits tightly with the window glass to ensure that the window rises and falls smoothly and provides stable support.-Door water retaining strip-The door waterproof strip is an important part used for car door sealing, designed to prevent moisture, dust and noise from entering the car through the door gap. It is usually made of soft sealing materials such as rubber or silicone, has good elasticity and weather resistance, and can effectively keep the car dry and quiet.-Door composite sealing strip-The composite door seal is a seal made of a variety of materials, usually including a combination of rubber, PVC, TPE, etc. It is designed to provide excellent sealing effect, prevent the exchange of air, moisture, noise and other substances inside and outside the car, and has good wear resistance and weather resistance.-Train high-speed rail sealing strip-Train and high-speed rail sealing strips are sealing materials designed for trains and high-speed rail vehicles. They are used in vehicle bodies, doors, windows and other parts to ensure the sealing, sound insulation and waterproofness of the interior space. Sealing strips are usually made of rubber, silicone, polyurethane and other materials, with good elasticity and durability.-Container sealing strip-Container sealing strip is an important component used for closing container doors, designed to prevent goods from being damaged during transportation due to air leakage, water leakage or theft at the door. It is usually made of high-strength rubber or plastic materials, has good elasticity and weather resistance, and can effectively protect the safety of goods.-Passenger car sealing strip-The bus sealing strip is a sealing material used in bus bodies, doors, windows and other parts to ensure the sealing, sound insulation and waterproofness of the interior space of the bus. It is usually made of rubber, acrylic rubber, chloroprene rubber and other materials, with good elasticity and durability.-Automobile molded sealing strip-Automobile molded sealing strip is a kind of sealing strip manufactured by mold molding, which is usually used in automobile body, doors, windows and other parts to ensure the sealing, sound insulation and waterproofness of the car. It is made of rubber, acrylic rubber, chloroprene rubber and other materials, with good elasticity and durability.-Car windshield seal-Car windshield seals are rubber or plastic seals installed around the car windshield, designed to prevent moisture, dust and noise from entering the car from the edge of the windshield. It seals and protects the windshield while improving vehicle ride comfort.-Car sponge sound insulation seal-Automobile sponge sound insulation sealing strip is a key component used for sound insulation and sealing inside the car, usually installed in sealing parts such as doors and windows. Its main material is sponge-like polyurethane or polyurethane foam, which has good sound insulation effect and softness, and can effectively reduce noise and vibration inside the car.-Car decorative strips-Car trim is a decorative part used to beautify and protect the appearance of a car, usually installed on the body, doors, windows, etc. It is designed to enhance the overall appearance of the vehicle while effectively protecting the vehicle's appearance from scratches, collisions, and other damages.-TPE soft and hard composite sealing strip-TPE soft-hard composite sealing strip is a sealing material composed of thermoplastic elastomer (TPE) soft material and hard material. Its soft-hard combination characteristics make it have good sealing performance and wear resistance, and at the same time it has good flexibility and elasticity, and is suitable for the sealing and protection of various doors, windows, pipes and equipment.-Silicone composite sealing strip-Silicone composite sealing strip is a sealing material made of silicone and other materials. Silicone material has good high temperature resistance, low temperature resistance and weather resistance, while the addition of other materials can enhance the strength, wear resistance or specific sealing characteristics of the sealing strip. Silicone composite sealing strip is widely used in sealing and sound insulation of various doors and windows, pipelines, equipment and machinery.-EPDM soft and hard composite sealing strip-EPDM soft and hard composite sealing strip is a sealing material made of EPDM rubber (EPDM) and hard materials (such as plastic, metal, etc.). It combines the advantages of both soft and hard materials, with the good elasticity and weather resistance of EPDM rubber and the stability and wear resistance of hard materials. It is suitable for sealing and sound insulation of various doors and windows.-EPDM three-composite sealing strip-EPDM tri-composite sealing strip is a sealing material made of three different materials, usually including EPDM rubber (EPDM) and two other materials, such as polyurethane, polypropylene, etc. This sealing strip combines the advantages of three materials, with the good elasticity and weather resistance of EPDM rubber and the characteristics of the other two materials, thus providing a more diverse sealing solution.-Inflatable sealing strip-Inflatable sealing strip is a sealing material that is expanded by inflating to fill or seal gaps. It is usually made of soft rubber or plastic and has good sealing performance and elasticity. The sealing effect of the sealing strip can be adjusted by controlling the inflation pressure. Inflatable sealing strip is suitable for sealing and sound insulation in various mechanical equipment, building doors and windows, ships and other fields.-Silicone tube-Silicone tube is a tubular sealing material made of silicone material, which has excellent high temperature resistance, low temperature resistance, chemical corrosion resistance, etc. Silicone tube is soft, elastic, aging-resistant, etc., and is widely used in sealing, sound insulation and protection in industrial equipment, automobiles, electronic products and other fields.-Building expansion joint sealing strip-Building expansion joint sealing strip is a sealing material used to fill expansion joints or joints in building structures, usually made of rubber, silicone or polymer materials. It has good weather resistance, aging resistance and corrosion resistance, can effectively prevent the penetration of water, air and dust, and protect the building structure from damage.-Stair anti-slip strips-Stair anti-slip strips are a device used to improve the safety of stairs, usually made of wear-resistant and non-slip materials such as rubber, PVC, polyurethane, etc. Its surface usually has an uneven texture, which can increase the friction when people walk on the stairs, reduce the risk of slipping, and protect the safety of users.-Ship sealing strip-Ship sealing strips are a type of sealing material used in various parts of ships to prevent seawater, gas and other liquids from entering the interior of the ship while maintaining the structural integrity of the ship. Ship sealing strips are usually made of seawater-resistant, weather-resistant and corrosion-resistant materials such as rubber, silicone, polyurethane, etc.-Rubber dust curtain-Rubber-plastic dust curtain is a device used to block dust, dirt and other debris, usually used in the doorway or open area of factories, workshops, warehouses and other places. It is made of rubber and plastic materials, which is soft and wear-resistant, and can effectively block the entry of external dust and foreign matter, keeping the internal environment clean.-Rubber and plastic molded products-Rubber and plastic molded products are products that are formed by heating and softening rubber and plastic materials through a mold and then molding them. This kind of product usually has the softness and elasticity of rubber and the wear resistance and corrosion resistance of plastic. It is often used in the fields of industry, automobiles, electronics, etc. for sealing, sound insulation, protection, etc.-Automatic revolving door seal-Automatic revolving door sealing strip is a sealing material specially designed for automatic revolving doors. It is located on the inner edge of the revolving door to ensure the airtightness between the door and the door frame, prevent cold wind, dust and noise from entering the room, and improve the sealing and sound insulation of the door.

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Door and window sealing strip series

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Home Product The series of automotive sealing strips Car sponge sound insulation seal

Door and window sealing strip series

The series of container lid sealing strips

The series of rubber sealing strips

Various shapes of sealing strips

The series of automotive sealing strips

The series of soft and hard composite sealing strips

The series of other rubber products

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Car sponge sound insulation seal

Automobile sponge sound insulation sealing strip is a key component used for sound insulation and sealing inside the car, usually installed in sealing parts such as doors and windows. Its main material is sponge-like polyurethane or polyurethane foam, which has good sound insulation effect and softness, and can effectively reduce noise and vibration inside the car.

specification

Material: Polyurethane sponge

Density: Customized upon request

usually between 0.03 g/cm³ - 0.1 g/cm³

Size: Customized according to the car model and door or window size. Common sizes include width of 10mm - 20mm and thickness of 5mm - 15mm

Color: Black or customized

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Related Products

Quality control:

We strictly implement the quality management system, including the following steps:

Raw material inspection: Strictly inspect the purchased polyurethane sponge to ensure that the material quality meets the requirements.

Production process control: Perform quality inspections on multiple processes during the production process to ensure that each link meets the standards.

Finished product inspection: Comprehensively test the sponge sound insulation sealing strips produced, including the inspection of indicators such as appearance, size, density and elasticity, to ensure stable and reliable product quality.

Functional features:

Sound insulation and shock absorption: The sponge sealing strip can effectively absorb and isolate noise and vibration from outside the car, and improve the riding comfort in the car.

Sealing and waterproofing: The sponge material of the sealing strip can fit tightly around the door or window to prevent rain and dust from penetrating into the car.

High temperature resistance and durability: It has good high temperature resistance and durability, is not easy to age and deform, and can maintain good performance for a long time.

Installation method:

Self-adhesive installation: Some sealing strips are designed with self-adhesive glue on the back, which is directly attached to the door or window.

Groove installation: Some sealing strips are designed with special grooves, which can be directly inserted into the sealing groove of the door or window for fixed installation.

Notes:

Installation location: Choose a suitable installation location according to the vehicle model and door structure to ensure that the sealing strip can fit completely and play a sound insulation and sealing role.

Cleaning and maintenance: Clean the installation location before installation to ensure that the surface is clean and free of oil and dust.

Regular inspection: Check the sealing strip regularly for aging, cracking or deformation. If there is a problem, replace it in time to ensure the sound insulation effect

Frequently Asked Questions (FAQ):
1. Will the sealing strip affect the normal opening of the window?

- The design of the sealing strip takes into account the normal opening and closing of the window. The correctly installed sealing strip will not affect the normal use of the window. But it is necessary to ensure that it fits tightly and does not affect the sliding of the window.

2. Is the sealing strip susceptible to the sun and rain?

- Good quality sealing strips have a certain degree of weather resistance and can withstand the sun and rain, but long-term exposure to bad weather may affect its service life.

3. Does the seal strip easily produce odor?

- Generally, good quality seal strips will not produce odor, but may have a slight odor after long-term use. Regular cleaning and ventilation can reduce the odor.

4. Does the seal strip affect the sealing performance of the vehicle?

- The seal strip is designed to improve the sealing performance of the vehicle. Correctly installed seal strips can effectively prevent rain, dust and noise from entering the vehicle and improve driving comfort.

5. Is the seal strip easy to damage?

- Good quality seal strips have a certain durability, but you need to be careful when loading and unloading items or cleaning the vehicle to avoid damaging the seal strip to extend its service life.

Car windshield seal

Car decorative strips

Sealing Strip Production Process

Raw Material Procurement

The company rigorously selects high-quality suppliers to procure rubber, plastics, and various additives that meet national and international standards, ensuring material quality.

Raw Material Inspection

Advanced equipment and a professional team are employed to comprehensively inspect raw materials, including their physical and chemical properties, ensuring they meet production requirements. Only materials that pass inspection proceed to the production phase.

Compounding and Mixing

Accurate compounding and mixing are conducted according to product formulation ratios. High-efficiency mixing machines ensure thorough blending of raw materials to achieve uniform consistency. The mixed materials undergo a maturation period to ensure material stability.

Extrusion Molding

Maturation-treated mixed materials enter the extrusion molding process. Different extruders and molds are used based on product shapes and specifications. Stringent control of parameters such as temperature, pressure, and speed ensures products meet design requirements in terms of size and appearance.

Vulcanization and Cooling

Products after extrusion molding undergo vulcanization to enhance their physical properties and durability. Vulcanization occurs under high temperature and pressure conditions using vulcanization machines to ensure uniform curing. Post-vulcanization, products undergo cooling to further stabilize performance.

Cutting and Processing

Cooled products enter the cutting and processing stage. Precision cutting and further processing such as edge trimming and hole punching are performed according to specific product requirements. During processing, strict control of dimensions and accuracy ensures products meet design specifications.

Surface Treatment

Processed products undergo surface treatment as required, such as spraying, impregnation, or bonding. Surface treatment enhances product appearance and improves properties such as corrosion resistance, waterproofing, and wear resistance.

Final Inspection

All finished products undergo rigorous final inspection. The company utilizes advanced testing equipment and a professional quality inspection team to comprehensively test dimensions, physical properties, chemical properties, etc. Only products that pass inspection are packaged and ready for shipment; non-conforming products are reworked or scrapped.

Packaging and Storage

Inspected and approved products proceed to packaging. Suitable packaging materials and methods are selected based on product characteristics and customer requirements to ensure products remain undamaged during transportation and storage. After packaging, products are stored in the warehouse awaiting shipment.

Service Commitment

Quality Assurance

Ensure product quality meets standards, with stable and reliable performance.

On-Time Delivery

Guarantee orders are delivered on time to meet customer production needs.

24/7 After-Sales Support

Provide round-the-clock technical support and consultation services.

Customer Satisfaction

Dedicated to achieving 100% customer satisfaction.

Integrity Cooperation

Protect customer business interests and intellectual property rights, and establish long-term cooperative relationships.

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