Who We Are ?

NJK is unique in the oil seal industry in that NJK produces its own oil seal tooling. we have more that 20 years experiences in designing and producing oil seal tooling.

As a

China Rubber Gaskets Manufacturers and Rubber Seal Rings products Suppliers

,NJK Motor Vehicle Fittings(Shanghai)Co.,ltd was set up in 1995.Our Registered capital is $USD 4.4 million,we have 550 people and our factory area is 36600㎡.We produce OEM and ODM on Oil Seal,Rubber Seal Rings, O-ring, V-ring, Rubber Gaskets,Rubber Packing, Tensioner and all kinds of rubber products,used in automobile,motorcycle,ship and marine equipment, Industrial machinery, agricultural machinery,sports machinery;We applied ISO9001:2000 international quality control system certification and certified, obtained the certificate of TS16949 and implemented KPI programs. Our sales Region include China, USA, Europe, Japan, South East Asia and other regions...
Sales Countries
50+
Sale Products
260+
Factory Area
36600
Employees
550

What We Make ?

We produce OEM and ODM on Oil Seal and all kinds of rubber products, our products are mostly used in automobile,motorcycle, Industrial machinery...

Professional Attitude, Security Measurement, Quality Assurance.

Certificate Authentication

We applied ISO9001:2000 international quality control system certification and certified,obtained the certificate of TS16949

Certificate Authentication

We applied ISO9001:2000 international quality control system certification and certified,obtained the certificate of TS16949

Certificate Authentication

We applied ISO9001:2000 international quality control system certification and certified,obtained the certificate of TS16949

Certificate Authentication

We applied ISO9001:2000 international quality control system certification and certified,obtained the certificate of TS16949

Where To Use

Our rubber produces are widely used in automobile,motorcycle,ship and marine equipment, Industrial machinery, agricultural machinery,sports machinery...

  • Automobile industry
  • Motorcycle industry
  • Industrial machinery
  • Shipping
  • Agricultural machinery
  • Last news

  • Rubber products for filler requirements

    2016-10-10

    1. General requirements (1) The surface of the reinforcing filler particles should have strong chemical activity, can form a good combination with rubber, and can improve the vulcanized rubber. Mechanical properties, aging resistance and adhesion pro...

  • What are the common standard specifications for O-ring seals?

    2016-10-10

    O-ring is a kind of rubber seal with a circular cross section. Because its cross section is O-shaped, it is called O-ring seal, also called O-ring. It began to appear in the mid-19th century when it was used as a sealing element for steam engine cyli...

  • O-ring sealant related introduction

    2016-10-10

    The O-ring is a kind of sealing product with simple structure, various specifications and a large quantity. The seal quality life of O-rings depends on dimensional accuracy and size. It is generally required that the rubber compound has certain mecha...

  • Rubber composition and characteristics and application of rubber products

    2016-10-10

    1. Composition of rubber The rubber product is composed of a proper amount of a compounding agent based on the raw rubber. Raw rubber without added compounding agent or unvulcanized natural or synthetic rubber is collectively referred to as raw rubbe...

  • Rubber composition and characteristics and application of rubber products

    2016-10-10

    The rubber product is composed of a proper amount of a compounding agent based on the raw rubber.   Raw rubber without added compounding agent or unvulcanized natural or synthetic rubber is collectively referred to as raw rubber. Natural rubber has g...

  • O-ring sealant

    2016-10-10

    The O-ring is a kind of sealing product with simple structure, various specifications and a large quantity. The seal quality life of O-rings depends on dimensional accuracy and size. It is generally required that the rubber compound has certain mecha...

  • Characteristics of rubber products

    2016-10-10

    1. When the rubber product is molded, it is not able to eliminate the cohesive force prepared by the elastic body after being pressed by a large pressure. When forming the mold, it tends to produce extremely unstable shrinkage (the shrinkage rate of ...

  • The difference between rubber and plastic

    2016-10-10

    In simple terms, the most essential difference between plastic and rubber is plastic deformation when the plastic deforms, and the rubber is elastically deformed. In other words, the plastic is not easily restored to its original state after deformat...

  • Chemical composition of natural rubber

    2016-10-10

    Through the analysis of the chemical composition of natural rubber, it was found that its basic composition is isoprene. Inspired people to use isoprene as a monomer for polymerization, resulting in a synthetic rubber called isoprene rubber. Isoprene...

  • Our Partner

    Our produces are widely used in automobile,motorcycle,ship and marine equipment, Industrial machinery, agricultural machinery,sports machinery...