1.Name:Water stopper 2.Description: rubber stopper, bathtub stoper 3.Certification:ISO/TS16949,ASTM,DIN,ROTHS Water stopper ItemWater stopper BrandRAMISCountry of OriginXiamen,China Item ... are a professional manufacturer of auto parts, metal parts and rubber & metal products with more than 15 years experience. Our products ... to ASTM, DIN, SAE,VDA6.1, UL,FDA,JIS. water stopper