1. ROHS,ISO 2. NBR,EPDM,SR,CR,SBR,FPM etc. 3. UV,FR,oil/ageing/ozone/shock proof,size:50-63 We specialize in providing different rubber products, class equipment,good reputation and advanced management . Our main product are molded rubber parts products like O rings, rubber seals, rubber band, oil seal,water seal and rubber gaskets etc. Specifications 1. Viton o ring Quick supply 2. Different ...