Best Rubber Seals Manufacturers in China

Mar 22, 2025

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Hebei Hongxing Rubber Sealing Parts Co., Ltd.: Founded in 1992, it is one of the earliest professional manufacturers of EPDM rubber sealing strips, sealing parts, and various conveyor belts in China. With advanced production technology and a complete quality - control system, its products are of high quality and are sold to more than 200 enterprises in the metallurgy, steel, coal, electricity, chemical, and port fields across the country.

 

Cixi Haisheng Rubber Products Co., Ltd.: It specializes in the precision manufacturing of rubber O - rings. It uses 100% imported materials, and its products have passed third - party professional certifications such as ROHS, REACH, and FDA. With advanced equipment and mature processes, it can provide customers with high - precision O - rings that meet various technical requirements.

 

Linyi Shuangfeng Sealing Parts Technology Co., Ltd.: It is the largest domestic manufacturer of rubber sealing rings for solar thermal systems. It focuses on the research and application of silicone rubber and has made major key technical breakthroughs in "high - temperature - resistant sealing parts special silicone rubber technology", "high - performance liquid silicone rubber technology", and "high - stability silicone rubber structure - assistant technology".

 

Changzhou Langbo Sealing Technology Co., Ltd.: It is a high - tech enterprise mainly engaged in the production and sales of rubber sealing parts and rubber products. The JMP brand has a good reputation and a high - market share in the automotive industry. Its main products include automotive O - rings and washers, hub components, oil seals, and shaft seals, which are mainly used in the core systems of automotive air - conditioning, power, and braking.

 

Zhenjiang Chunhuan Sealing Parts Group Co., Ltd.: Founded in 1985, it is a member of the China Plastics Association Fluoroplastic Processing Professional Committee. In addition to rubber sealing parts, its main products also include PTFE - lined steel pipes, pipe compensators, and PTFE products. It is one of the leading domestic enterprises in the production of PTFE - series products.

 

Anhui Meian Sealing Parts Co., Ltd.: Founded in 2006, it has a research - and - development center, a mold factory, and a sealing - parts production - manufacturing base. Its main product areas are automotive parts, including engine - related, brake - related, transmission - related, steering - related, and shock - absorber - related products. With an annual production capacity of more than 600 million rubber sealing parts, it provides customers with complete technical solutions and high - quality products.

 

Wuhan Saite Sealing Parts Co., Ltd.: Founded in 2006, it is committed to providing professional services integrating the design, manufacturing, and sales of rubber sealing parts. Its products cover various fields such as engineering machinery, mining machinery, metallurgy, high - voltage electrical equipment, petroleum tools, hydraulic and pneumatic equipment, the automotive industry, and valves and pipelines. It has strong technical strength and can provide customers with sealing solutions and products that meet different working - condition requirements.

 

Ningguo Zhongchen Sealing Parts Co., Ltd.: Founded in 2006, it is a professional manufacturer of automotive - sealing - parts products. It has domestic - advanced and complete quality - inspection and vulcanization systems, as well as strong technical - development and innovation capabilities. It has passed IATF16949 quality - system certification and ISO14001 environmental - management - system certification.

 

Chengtian (Guangdong) Technology Co., Ltd.: Its predecessor, Foshan Shunde Chengtian Rubber Products Co., Ltd., was founded in 1996. It is the world's largest manufacturer of rubber - sealing accessories for aerosol valves. Its main product, the aerosol - valve outer gasket, occupies more than 95% of the Chinese market. It has advanced production and testing equipment, a professional team, and strong R&D capabilities.

 

Haining Qianlang Rubber Products Factory is specialized in manufacturing rubber products for more than 20 years. We are located in Haining, Zhejiang Province, nearby Shanghai. We uphold honesty, quality first, customer first for the purpose.
We can supply a wide range of rubber products to satisfy customer requirements, standard parts such as O-rings, quad-rings, V-rings and rubber balls are widely used in all industries. Except the standard parts, we can supply custom made products which now is a large percentage of our business. We can design and produce special products as per drawings or samples with a diverse choice of material and processing technology, and customized rubber parts like grommets, washers, gaskets, bumpers, bushings, plugs, bellows, extrusions and so on. During the past 20 years, we have got much experience of custom solutions.
Our Materials include FKM, NBR, Silicone, EPDM, NR, PU, CR, HNBR, SBR, IIR, SEP,Fluorosilicone, Aflas, FFKM, etc. And other special materials, such as NR & SBR mixture, NBR & PVC mixture, also can be used according to your requirement.
Our Factory in line with Sincerity is the management idea.
Reliable Quality, Reasonable Price and Remarkable Service is our purpose.
We hope to become your most reliable cooperation partner.
We believe the win-win is the true win!
Now we have built good relationships with many customers all over the world, their continual order is a great encouragement to us. We will grow up with our customers and always provide them quality products.