manufacture silicone ring 1.rubber,silicone seal 2.Nonstandard, custom-made any ... Meet SGS,FDS,ROHS,NSF 4.OEM/ODM Silicone rubber gasket Custom-made is welcomed! Also we welcome trial ... to human body 3.Application:Bath shower toilet parts,water, tank, medical, household appliance.4.Production method: Compression molding, ... available, specification,drawing or samples, any shape silicone rubber gasket