... mould, Preform mould , silicone mould ,plastic products, rubber product. Applicable: medical, household,commercial, agricultural,office supplies ... : 1.ItemO ring2.MaterialSilicon,NBR,SBR,EPDFM,PU, Natural rubber3.Sizestandard, Nonstandard, Customized4.ColorCustomized5.StandardFDA, REACH, ROHS6 ... .After sale service.We will send first shot for comfirmation ,rectified the mould until reach customers’ ...