Zhejiang Tongchi Oil Seal Technology Corporation Ltd Main Products :Oil seal、Flange oil sealCylinder head cover Gasket、Oil pan GasketCylinder Head GasketValve Sealg
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Company Profile

The predecessor of Zhejiang Tongchi Oil Seals Technology Corporation Ltd is founded in 1997, specialized in manufacturing and sales of Oil Seals, Gasket and Engine gasket kits for Premium Vehicle. Tongchi is well recognized and gradually developed into popular brand in automotive sealing product business over last 19 years.
Supported by Government and National Project, Tongchi developed into a high-tech sealing products supplier with self-owned IP, National production License and TS16949 Certification. Currently, Tongchi has the whole process capability which integrates R&D, Design, Molding, Rubber Recipe, Rubber Mixing, Pre-forming, Surface treatment, Vulcanizing, Trimming, Inspection, Packaging, and Shipping of Sealing Products.
The primary high-end product type include: Flange Seals, PTFE/ACM Oil Seals, FPM/ACM Dual Material Oil Seals, Valve Stem Seals, Metal Cylinder Head Gasket, Oil Pan Gasket, Manifold Gasket, Special Sealing product, etc; Varity of rubbers and other materials are available including PTFE、HNBR、FPM、ACM、AEM、MVQ、NBR、EPDM, etc. Our products are manufactured strictly following original material, structure and dimension.

Company Professional Information

Company Name:

Zhejiang Tongchi Oil Seal Technology Corporation Ltd

Business Type:


Main Products:

Oil seal、Flange oil seal,Cylinder head cover Gasket、Oil pan Gasket,Cylinder Head Gasket,Valve Seal,g

OE Experience:


Current Export Market:

North America,South America

Export Ratio:

21% - 30%

Total Annual Sales:

More than 100,000,000

Year Established:


Registered capital:

More than 100,000,000

Number of Employees:

Less than 50 People

Number of R&D Employees:

11 - 30 People

Factory Size In Square Meters:

5200 ㎡

Main purchasing product:

Oil seal、Flange oil seal,Cylinder head cover Gasket、Oil pan Gasket,Cylinder Head Gasket,Valve Seal,g

Ownership Type:

Local company


Dong Bo



Peoples of communicate with English:

Sale Department: Less than 5 People

Research and Development

Capability for Synchronized Development:

Develop according to drawing or samples provided by clients?Yes
Develop 3-D model and prototype according to client's needs?Yes

Tooling Design:

Design Internally , Outsourcing or Cooperation

Source of Tooling:

Made Internally , Outsourcing


Unigraphics , AUTOCAD , Autodesk Inventor , Pro/E , Catia , Others

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