Direct manufacturers of high-quality FKMO ring seals 1.Material- FKM 2.Supply fast,best price,good quality 3.Any HOT SELL o rings1 ... ,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE etc.2) High temperature and acid-alkali resistance, anti-aging, no poison and no smell3 ... )It's an ideal solution for sealing application where there are high ...