... of rubber stoppers 1.Rubber Stopper Set 2.Easy for use and varid 3.Good quality ... 4.OEM Colorful food grade composition of rubber stoppers Feature: ... 1)We have kinds of material : NBR,HNBR,EPDM,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE etc.2)High temperature ... Our company was established in 2003, providing rubber products including automobile parts, plumbing fittings, ...