NJK Motor Vehicle Fittings(Shanghai)Co.,ltd is a famous China Rubber O-Ring Suppliers and viton o ring Manufacturers,our company was set up in 1995.Our Registered capital is $USD 4.4 million,we have 550 people and our factory area is 36600㎡,we providing high-quality, complete viton o ring and services to meet customer's requirements.our viton o ring 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. Sustainable AA TOP enterprise, become the leader of the field, benefit customers worldwide by creating most innovative Rubber O-Ring!