auto rubber seal ring 1.rubber,silicone seal 2.Nonstandard, custom-made any shape seal 3.Meet SGS,FDS, ... , CR, BR, IIR, NR, etc),as your request , Environmental Friendly.2. Application: automotive, machinery, bathroom facilities, household electrical appliances etc.3 ... mold, usually in 7days For mass production mold, usually in1- 2 weeksPackage: plastic bag inside, strength carton outside, or as your ...