... P20, S50C, 4140 Lead-time: 1-2weeks 15years experiences in making customize compression rubber molds WSR's mold workshop Description: 1 ... CNC machines, 3EDM machines, we can make over 100sets rubber mould per month.2. Compression/transfer/injection(both hot runner and ... . WSR's rubber workshop Description: Description: Material: comply to RoHS, silicone or rubber (NR, SBR, NBR, EPDM, CSM, CR, HNBR, ...