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About Us

Company Introduction
Shanghai Trisun Parts Manufacture Co., Ltd. is specializing in designing and manufacturing various fluid seals in China. Our main products cover dry gas seals, agitator seals, cartridge seals, metal bellows seals, etc.
The corporate sales headquarter is in Shanghai Pudong Financial Center, and its branches are in Guangzhou and Wenzhou. Besides, Trisun has three production bases, namely, Shanghai Songjiang Industrial Zone, Wenzhou Ouhai Sanxi Industrial Zone and Jiangsu Wujin Industrial Zone. Shanghai Songjiang Industrial Zone has R&D, Quality Inspection, and Logistic departments. High technology fluid seals (dry gas seals, agitator seals, cartridge seals, metal bellows seals), often used in chemical, pharmaceutical, and power industries, are the main products in this area. These seals can directly replace same products of John Crane and Burgmann. Wenzhou Ouhai Sanxi Industrial Zone characterizes in high precision single spring seals, PTFE lip seals and automotive water pump impellers, which are supplied to the most prominent enterprises in the household appliance, food processing machinery, and automotive industries.
We always hold the belief of “gaining mutual benefits with our customers”, devoting ourselves to serving every customer. Trisun cooperates with research institutions both at home and abroad on a wide range of fluid seals in design and manufacturing, and provides supporting services for acclaimed European, American and domestic enterprises.

1. R & D Strength
Trisun has a strong R & D team, composed by PhD supervisor and many PhD engineers in the field of fluid seals, providing customers with personalized product design and optimization services.
2. Annual Production
Our company has the ability to produce at least 10,000,000 sets mechanical seals, 1,000,000 sets of auto water pump impellers, 200,000 sets of variable automotive air conditioner control valves, and 20,000 sets of metal bellows seals and cartridge seals annually.
3. Certificate
Wenzhou Tiancheng Seal Element Manufacture Co., Ltd. (the production base in Wenzhou city) has passed ISO9001:2008 and ISO/TS16949:2009 Quality Management Certifications and other certifications like SGS, ROSH, REACH and so on. Songjiang factory has received API certification.

Trisun specializes in designing and manufacturing various fluid seals in China. Besides this, we also manufacture and supply some seal testing equipments, such as vacuum leak tester, plane tester, polishing machine, etc. Furthermore, Trisun provides tungsten carbide products like carbide inserts and carbide button bits. For more detailed information, please feel free to contact us.

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