... size Haining Beyond Seals Co.,Ltd. mainly manufacture rubber parts including rubber stoppers, rubber sleeve seals(O ring, U ring, Y ... block,etc.Mainly rubber material are NR, NBR, FKM/VITON/FPM, SI/VMQ, SBR, CR, EPDM, HNBR, ACM, SB, PU, ... customers.1.Description of products Blind rubber grommet ProductBlind rubber grommet MaterialNR/Silicone/NBR/EPDM/SBR,etc.Hardness40~90 Share ASizeCustomized/ ...