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Company introduction Company video Productionqualifications Quality assurance

PRODUCTION QUALIFICATIONS

  • Oil seal, O-ring production license

  • Engine cylinder pad production license

  • TS English version of the certificate

  • TS Chinese version of the certificate

  • Safety Production Certificate

  • O-ring and rotary oil seal

20 years history in Seal industry, Tongchi has been developing into a professional manufacturer with excellent public reputationn....

About Us
Quality assurance
Productionqualifications
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Company introduction
Products
Vavle cover gasket、Oil pan gasket、Sealant
Cylinder head gasket、Intake and exhaust manifold gasket
Volve seal、Rotary oil seal
Flange oil seal
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