... ,PC,PS,PP,PVC,TPR,TPU,HDPE,PMMA etc.2.Mould Cavity: Single or multi-cavities3. Mold base: LKM or ... Equivalent standard mould base4. Core Steel: NAK 80 prehardened steel,718,718H,H13 ... experience and skillful technique, Changshu Jinfeng Rubber & Plastics Products Co., Ltd. is specialized in plastic injection molding, one cavity or multi-cavity molding ...