... 3.Precisely rubber mold design 4.OEM/ODM Good manufacturer for rubber washer Attention:Custom-made is welcomed! Also ... or IRHD, tolerance can be ±5 shore A, for some special products, we can reach ± 3 shore ... samples lead-timefor prototype mold, usually in 7days. for mass production mold, usually in 1-2 weeks. ... strength carton outside,or as your request. Good manufacturer for rubber washer