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TAISUN Sealing Technology

----Your High Quality Sealing Technology Partner!

Welcome to TAISUN!

TAISUN was founded in 1999 as professional rubber seals manufacturer. By over 16 years fast developing, TAISUN is integrated with R&D, production and marketing, covering over 10,000 square meters workshop and over 300 staff, including 30 professional technical engineers, 35 high efficiency marketing service specialists.

TAISUN main products are O-ring, X-ring, U-ring, Y-ring, O-ring Cord, Rubber ball, Rubber Back-up ring, Framework Oil Seal, Polyurethane Oil Seal, Step Seal, Glyd Ring. Meanwhile, TAISUN is specialized in manufacturing all kinds of high quality Rubber Diaphragms and customized rubber sealing products, widely used in hydraulic, pneumatic, water saving irrigation, auto parts, mechanical, chemicals, medical and many industrial fields. 

By high-performance products, TAISUN has become the first choice as reliable partner by customers from over 115 countries and China 80 cities, with main markets in Europe, America, Japan, and Mild East. 

Since foundation, TAISUN follows the marketing idea " High Quality, Professional Innovative", makes sure every detail in excellent quality, provides value-added service;win wide reputation and high satisfaction of TAISUN quality, price, function, life cycle from worldwide customers.

All these are supported by: 

Powerful R&D center

Advanced moulds processing technology

High-precision machining

(Imported vulcanization molding machine, 

Lathe grinding machine, 

Frozen nitrogen flash machine…)

Sophisticated testing equipments & Strict QC system

(100% inspection machine, tensile strength tester, anti-aging tester, compression set testing equipment, solvent resistance tester,sulfur rubber solvent resistance tester, automatic hardness tester ...) 


100% imported High Quality raw material

ERP management system

ISO/TS16949 & RoHS system certification ……

TAISUN provides customers more than 10,000 kinds specific products, with updated professional sealing technology solutions; servicing free cost moulds for all kinds of customized O-rings.

Focusing on customers’ value, crating customers’ profits maximization, TAISUN teams are always striving for higher altitude to match your faster developing stage. 

TAISUN are ready here for providing cost-effective products, fast response, golden service to all partners:

From China manufacturing to China creation

Updating high quality

Faster Technical innovation

Assuring quality control

Customers maximized value


The Passionate, Professional, Pragmatic, Innovative TAISUN Team always concentrate the way to improve every detail and contribute to the world sealing industry! 

Yes, we are here, 

Ready for supporting all your demand!

Copyright 2013 ©TAISUN Sealing Technology

Tel:86-574-87725511 86-574-87725568


Add:10 Floor, Microsoft Mansion, No.555, Juxian Road, High Technology Zone, Ningbo,China.