Seal Selection
After decades of accumulation, Ailate Seal has developed a full range of standard hydraulic, pneumatic seals,O-rings and coupling buffers.
Custom seals
Custom seals designed specifically to suit the needs of your application.
Sealing Principle and Use
Sealing principle and sealing using knowledge, etc., to help customers understand and use seals.
36 years production experience

More than 30000 High-Precision sealing moulds

More than 100 kinds of mature sealing materials

ISO9001 international quality system certification

AILATE produces more than 100 series and 30000 specifications of hydraulic and pneumatic seals,valve seal rings and elastic couplings mainly with materials of polyurethane, F4 composite and rubber.
Zhejiang sanmen seals factory (ZHEJIANG AILATE TRADING CO., LTD.) was founded in 1985 and has been manufacturing sealing products for more than 30 years. We have developed our own brand of Ailate, which enjoys a good reputation in both domestic and overseas market.

In 2000, the company passed the ISO9001:2000 international quality system certification, introduced technology and raw material formula from Germany, the United States and Japan, and maintained a long-term horizontal contact with scientific research institutions. The R & D capacity and production scale are very competetive in sealing industry, and the product quality is highly reliable and stable.
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