Tools & Hardware

Best 5 Oil Seal Orings Gasket Suppliers


Oil seal orings are essential components that help to prevent fluid leakage between two surfaces. They are used in a wide range of applications, including automotive, aerospace, and industrial equipment. Many manufacturers in China offer high-quality oil seal orings at competitive prices. This guide discusses the history, manufacturing process, and applications of Chinese oil seal orings.

History of China’s Oil Seal Orings Industry

China’s oil seal orings industry has a long history dating back to the early 20th century. In the past, most oil seal orings in China were imported from overseas. However, with the growth of the China economy, local demand for oil seal orings increased, resulting in the establishment of local manufacturers.

Many companies in China specialize in producing high-quality oil seal oring gaskets, making it one of the world’s largest producers of oil seal orings. To improve the quality, durability, and performance of these products, these companies have heavily invested in research and development.

Manufacturing Process of Oil Seal Orings in China

Typically, oil seal orings are made of rubber, silicone, or fluoroelastomers. The manufacturing process involves several steps, including mixing, molding, curing, and finishing.

A homogeneous mixture of elastomeric material and fillers, curing agents, and processing aids is formed by mixing the material with other ingredients. To form a continuous sheet or a profile, the mixture is then processed through an extruder or a calender.

Molding is the next step. A die is used to cut the sheet or profile into the desired shape and size. The die is then placed in a molding machine, where it is heated and pressed into the oil seal orings.

In order to form a strong and durable seal, the oil seal orings are then cured. Curing involves heating the oil seal orings at a specific temperature and time to crosslink the elastomeric material.

As a final step, the oil seal orings are trimmed and tested for quality before being packaged for shipping.

Application of Oil Seal Orings

A shaft and a housing are typically sealed with oil seal orings in automotive, aerospace, and industrial equipment.

Oil seal orings are used to seal the engine, transmission, steering system, suspension system, and braking system in the automotive industry.

Space vehicles and satellites also use oil seal orings in their engines, landing gear, and hydraulic systems.

Pumps, compressors, and other fluid handling equipment use oil seal orings, as do hydraulic and pneumatic systems.

Oil Seal Orings Manufacturer in China

In China, there are many oil seal oring manufacturers, including Xingtai Haoheng Trading Co., Ltd., Shanghai Heya Industry Co., Ltd., and Ningbo Chenhua Seal Technology Co., Ltd.

In addition to producing high-quality oil seal orings gaskets, Xingtai Haoheng Trading Co., Ltd. is a professional oil seal orings manufacturer. In order to ensure the quality and performance of its products, the company has a large production capacity, advanced equipment, and a strong R&D team.

Here are the Best 5 Oil Seal Orings Gasket Suppliers:

1. Bdseals

NINGBO BODI SEALS CO.,LTD is a group company specialized in the research, development, manufacturer and export of Oil Seal, O-ring , Gasket and Rubber Parts. As for a professional manufacturer and exporter more than 20 years, the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team for pre/after sales support make us different.


2. Shenzhen Xinhaiwang Technology

Shenzhen Xinhaiwang Technology Co.,Ltd. is located in Pinshan Town, Longgang District, Shenzhen City, Guangdong Province. Our company was founded in 2008, our factory area is 8900 square meters. With over 200 employees, our team works hard to maintain the highest standards of quality and serve the needs of our customers. Our business philosophy is based on the principles of honesty, service, quality, hard work, fairness and team effort.


3. Tianjin King Seal Technology

A rubber oil seal is a mechanical component used to prevent the leakage of fluids, including oil and lubricants, from a system. It is typically made from synthetic rubber, which has excellent resistance to high temperatures and chemicals. Rubber oil seals are commonly used in various industrial applications, including automotive, aerospace, and marine industries.



DL Seals Co., Ltd. is a professional seals manufactory with 28 years of history. We are specializing in production of PU,PTFE,rubber and metal sealing element series products.


5. Suzhou Roger Auto Parts

OEM Quality and reasonable price of Auto A/C Compressor, Compressor control Valve ,oil seal, clutch, Fan, Condenser, evaporator, Fan, Blower, Resistor , Pressure switch, Receiver Dryer, Refrigerant Gases Evaporator, lambo doors,gas spring , Bearing,