OEM manufacture factory Competitive price High quality products Specifications rubber product 1.Certificate:ISO 9001:2000 2.Material:NR,SI, ... ,etc 3.customer's design is welcome 4.Any sizes rubber productDifferent materials,sizes and shapesmajor in manufacturing sealing product Product ... Sell):O-rings,U-type loops,Y-type loops,customized rubber itemsMaterial NR, SI, EPDM, NBR, SBR, FPM, IR,, BR, IIR ...