1)Many processing methods available 2)Many standards available 3)oem is ok.can do base on drawing 4)good quality quick supply rubber product Sizeas per customers' sizeMaterialNBR, NR, EPDM, FKM, SBR, Silicone, Neoprene, HNBR, Polyurethane, FFKM, Aflas, etc.DuroSilicone 20~80 Shore A, others about 40~90 Shore AColorblack, white, red, green, brown, etcTechnologymouldingApplicationhot-water heating ...