Hebei Zesheng Rubber and Plastic Technology Co., Ltd.-Hebei Zesheng Rubber & Plastic Technology Co., Ltd. is an enterprise approved and registered by relevant national departments. Our factory is a high-tech professional company that researches, develops, designs and manufactures various sealing products made of nitrile, silicone, fluorine, propionic acid, olefin, EPDM, polyurethane, polytetrafluoroethylene and other materials. The main products are: oil seals, dust covers, hydraulic seals, rubber sheets, rubber pads, O-rings, rubber parts, oil and mine drilling rubber accessories, pump valve pipeline seals, rubber compounds, automobile and motorcycle oil seals and other rubber products. Our products are widely used in automobiles, motorcycles, machinery, engineering machinery, coal mining machinery, metallurgy, petrochemicals, ships, home appliances, food, medicine and other industries. It is suitable for oil resistance, acid and alkali resistance, wear resistance, flex resistance, high temperature resistance (above 250℃), low temperature (-50℃), chemical corrosion resistance, and plays a good sealing and shock absorption damping role. The product quality has passed the random sampling test of the State Administration of Technical Supervision and the National Rubber Products Testing Center for many times, and the quality and various indicators of all products are qualified.-O-Ring-O-rings are an important sealing component, widely used in various machines and equipment to prevent the leakage of liquids and gases. We provide O-rings of various materials, including NBR, FKM, silicone rubber, fluorosilicone, perfluoroether and EPDM, with a full range of models to meet the needs of different industrial applications.-Large O-ring customization-Special O-rings are specially designed sealing components suitable for sealing applications that require non-standard shapes and sizes. Compared with traditional O-rings, special O-rings can better adapt to complex installation spaces and special requirements, provide excellent sealing performance, and are widely used in various types of machinery and equipment.-Buffer flame retardant roller rubber ring-The buffer flame retardant roller rubber ring is a high-performance sealing component designed for rollers, which is designed to effectively reduce vibration and impact while providing excellent flame retardant performance. It is widely used in conveyor belt systems and can work stably in high temperature and high pressure environments to ensure the safety and efficiency of the equipment.-Plate compactor shock absorber-The plate compactor shock absorber is a high-performance shock-absorbing device designed for construction and civil engineering. It ensures the safety and stability of the construction environment by effectively absorbing and reducing the vibration generated during the compaction process. The product uses advanced materials and technologies to maintain excellent performance under extreme working conditions and extend the service life of the equipment.-Hammer nitrogen seal star ring-The star seal ring is a four-lip seal with an X-shaped shape, so it is also called an X-ring. It is an improvement on the O-ring, and its cross-sectional dimensions are the same as those of the O-ring, and it can basically replace the O-ring in various applications.-Special-shaped parts customization series-The series of special-shaped parts are designed to meet the needs of customers in specific applications and support customization according to drawings. We can produce them in a variety of materials according to the drawings and specifications provided by customers to ensure the perfect match of each part in terms of function and precision. Whether it is a complex shape or a specific size, we can provide high-quality solutions, which are widely used in machinery, electronics, automobile and other industries.-Roller-The buffer roller is an important component used in conveyor belt systems. It is designed to reduce shock and vibration in the conveyor belt system and improve the stability and safety of the system. It is usually made of wear-resistant polymer material or metal and has strong energy absorption and buffering performance.-Screw rubber sleeve D7-2.5-Screw rubber sleeve D7-2.5 is a key sealing component used in screw pump systems. It is mainly used for sealing, buffering and protection. It can effectively improve the working efficiency of the pump, reduce leakage and extend the service life of the equipment. This product is made of high-performance wear-resistant rubber material and has excellent oil resistance, corrosion resistance, high temperature resistance and tear resistance. It is widely used in screw pump systems in industries such as petroleum, chemical, food, pharmaceutical, and sewage treatment.

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Product Large O-ring customization

Large O-ring customization

Special O-rings are specially designed sealing components suitable for sealing applications that require non-standard shapes and sizes. Compared with traditional O-rings, special O-rings can better adapt to complex installation spaces and special requirements, provide excellent sealing performance, and are widely used in various types of machinery and equipment.

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Specifications:
- Material: NBR, FKM, SILICONE, FLUOROSIL, PERFLUORO, EPDM and other materials are available
- Size: A variety of non-standard sizes and shapes are available according to customer needs
- Color: Conventional black or customized colors are available according to customer needs
- Customization: Materials, sizes and shapes can be customized according to specific needs

Quality Control:
We use a strict quality control process when producing special-shaped O-rings. Each product will undergo the following tests before leaving the factory:
- Sealing performance test: Ensure effective sealing under high pressure and high temperature environment.
- Temperature and pressure resistance test: Confirm the stability of the material under extreme conditions.
- Material composition detection: Ensure that the materials used meet international standards to meet different industrial needs.
In addition, we regularly maintain and calibrate our production equipment to ensure the consistency and reliability of product quality.

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Automotive

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Energy

Agricultural Machinery

Automotive

Motorcycle

Mechanical Engineering

Coal Mining Machinery

Metallurgical

Petrochemical

Shipbuilding

Home Appliances

Food

Pharmaceutical

Energy

Agricultural Machinery

Demand Consultation

Customers submit product demands or request information through phone, email, online platforms, or in person.Hebei Zesheng Rubber and Plastic Technology Co., Ltd. Our professional team will communicate with the customer to understand specific needs, including product specifications, quantity, application environment, etc.

Based on the information provided by the customer, the technical team conducts a detailed demand analysis. Customized solutions are provided, including product design, material selection, and manufacturing processes, to ensure that specific needs and application requirements are met.

Demand Analysis and Solution Design

Quotation and Contract Signing

Based on the demand analysis, a detailed quotation is provided, covering product price, delivery time, payment methods, etc. After confirming the quotation and cooperation terms, a formal contract is signed to clarify the rights and obligations of both parties.

If requested by the customer, product samples are provided for verification and confirmation. The customer tests and provides feedback on the samples. Necessary adjustments and optimizations are made if needed.

Sample Confirmation

Production and Manufacturing

After contract signing and sample confirmation, production begins. Manufacturing is carried out strictly according to contract requirements and production standards to ensure product quality and delivery time.

After production is completed, a comprehensive quality inspection and testing are conducted to ensure the product meets national standards and customer requirements. Relevant testing reports and quality certificates are provided. Customers can conduct on-site acceptance or request third-party testing.

Quality Inspection and Acceptance

Delivery and Transportation

Delivery and transportation are arranged according to the time and location specified in the contract. Ensuring products are safely and timely delivered to the customer's designated location, with necessary logistics tracking information provided.

Diverse Materials and Product Line

We offer a range of sealing products made from various materials, including nitrile, silicone, fluorine, acrylic, EPDM, polyurethane, and PTFE, covering oil seals, dust boots, hydraulic seals, O-rings, etc., to meet diverse customer needs.

Personalized Design and Customization

We provide custom design services based on customer-supplied drawings or samples, tailoring sealing products such as oil seals, O-rings, and dust boots to meet specific requirements.

Advanced Technology and Innovation

Leveraging a high-tech R&D team, we continuously drive technological innovation and product upgrades, ensuring outstanding performance in oil resistance, acid and alkali resistance, wear resistance, and temperature extremes.

Strict Quality Control

All products undergo rigorous production and testing processes, passing multiple quality inspections from the National General Administration of Quality Supervision and the National Rubber Products Testing Center, ensuring compliance with international standards.

Wide Range of Applications

Our products are widely used across various industries, including automotive, motorcycles, machinery, construction machinery, mining machinery, metallurgy, petrochemicals, ships, household appliances, food, and pharmaceuticals, demonstrating strong market adaptability and reliability.

Customer-Centric Service Philosophy

We focus on customer needs, offering customized services and technical support, aiming to address specific customer issues and enhance satisfaction.

Efficient Production Capacity

With advanced production equipment and processes, we ensure efficient production and delivery, capable of handling large orders while maintaining product stability and consistency.

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