Dongguan Jinwei Rubber Products Co., Ltd is a modern enterprise which professional manufacturer of O-ring and Oil seal. We have our own tooling workshop, including Taiwan precision automatic vacuum curing unit, precision CNC machining centers and advanced testing equipment to ensure product quality is stable and efficient. We are skillful of making compression moulds, transfer and injection moulds.

Our company under the premise of guarantee the quality of product, constantly develop and improve product performance, and improve customer satisfaction as the goal, to create stable quality products. High effective management and quality control system, we keep pursuing production cost optimization to increase the value for the customers, that we have established good cooperation with many USA and European customers in plastic manufacturing.

Our main products include rubber?eal, gasket, washer,? ring, oil?eal, rubber metal bonded parts and other molded rubber parts. The main material we used are SI, NBR, NR, EPDM, Viton, SBR, CR, HNBR, PU, IIR, etc.

Our advantages:
1.O-Rings offer an efficient and economical sealing element for a wide range of static or dynamic applications.
2.O-Ring sizes are defined by the inner diameter-ID and the cross section-CS , our o-ring Inner Diameter can be from 0.5mm to 1000mm .
3.Standard sizes such as AS568,BS1806,ISO3601,DIN3771,GB3452.1-92, JIS B2401(P TYPE,G TYPE,S TYPE ,V TYPE ,F TYPE sizes) ,Metric sizes as well as non-standard sizes are all available.
4.We have more than 2000 o-ring mould toolings , so you could get any size here without set-up or tooling charge . Huge inventory of o-rings can meet your urgent requirements.
5. A very wide range of material can be selected ,main material: NBR(BUNA-N,Nitrile) , VITON(FKM) ,Silicone(VMQ) ,HNBR, FFKM ,EPDM, PU(Polyurethane , urethane),Fluorosilicone(FVMQ),Neoprene(CR) and so on. Hardness of material can be from 30 Shore A(Durometer) to 90 Shore A(Durometer)