Xinzhenhui Sealing Technology is one of the best China rubber stopper part manufacturers and suppliers with one of the famous brands, and also a professional company and factory, welcome to buy discount and cheap rubber stopper part and wholesale newest low price and high-quality products from us.Rubber stopper part1.Material: NBR, EPDM, SIL/ VMQ, etc2.Duro/Hardness: 30-70 Shore A3.Color: any colors are available according to your pantone #4.Certification:ISO9001:2008