... NBR, FPM, CR, EPDM, ACM etc.5. Standard: DIN or JIS standard6. Estimated mold life: 1, 00, 000 shots7. We ... Jiangsu Province, China, has specialized in developing and manufacturing rubber seal moulding, which has advantaged geographical environment and convenient traffic.We ... and advantaged. The material of moulding adopted Cr12MOV and heat treatment adopted the integral quenching which can control the ...