Yancheng Qiaosheng Motor Vehicle Fittings Co., Ltd.

We were founded in 1995 with 550 employees in 36,600 m2 factory area. Our registered capital is USD 4.4 millions.Our main products are OEM and ODM oil seals and rubber parts. Product lines in the plant include oil seals, O-rings, V-rings, rubber gasket, rubber packing, tensioner and guide. The applications include but not limited to automobiles, motorcycles, ships and marine equipment, as well as industrial, agricultural, sports machineries, etc. Quality controlling is also an emphasis in our company. We are not only ISO 9001:2000 but also TS16949 certified. KPI programs is also implemented and carried out in the whole plant.Our sales region includes China, Japan, South East Asia, Europe, USA, central and south America etc.

NJK Pro Sealing Technology Corp.


NJK Pro was founded in 2015 with 25 employees in 5,000 m2 factory area. Our registered capital is USD 1 millions. The main products lines in the plant include O-rings, bonded seals, and rubber parts for both OEM and ODM clients.

Application project


Oil Seals are widely used in sealing technology , but mainly used in the automobile, truck, motorcycle, marine, hydraulic and pneumatic, as well as mining, agriculture machine and construction. NJK provide wide range of oil seals to prevent mechanical failure and damage caused by oil leakage. With over 25 years of experience in manufacturing and continuous improvement, we also have the ability to design and develop customized products according to function, pressure, temperature and different media.   

In addition to oil seals, we are also involved in rubber   and plastic injection production, such as O-ring, intake manifold, chain guide plate and  polyurethane  seal. We have also developed plastic foot pad for GYM machine, medical silicone O-ring and cap, crutches handle cover, phone stand rubber part, rubber wiper pad, shock absorber bellow for train, carrier chuck pad etc.  To mee customer’s demand, we will provide tailor-made products!


In-house Tooling Centre

All the molds of NJK are designed and manufactured by us, and we are committed to the production of automated equipment and ensure dimension precision and efficient production.

+36600 m2 Production Site

The Chinese plant is being expanded and renewed one after another. The Taiwan plant was established in 2015 which makes us worldwide competition and gives customer more choice and shipment.

In-house Rubber Compound

Through self-development and production of rubber raw materials, NJK  also pursue to improve the physical and mechanical properties of rubber , processing and molding processes and reduce manufacturing cost.

Collaborative Development

We have specialized in manufacturing oil seals for 25 years, NJK analyzes the application, pressure, temperature, and function. It provided for in the R&D experience to optimize products.

+20,000 Tooling in Stock

Years of manufacturing and production have allowed us to accumulate a wealth of molds, which can provide customers with options for existing molds in order to reduce production costs and quickly provide product samples.