1,precise mold for plastic frame,ring and other parts; 2,mold flow and analyze; 3,8 years mold and plastic part experience.. 1, ... work shop for that). PMMA,PS,TPE,TPU,TPR and other injected plastic material.4,Have ISO9001,ISO14001 certificate.5 ... CNC processing center, slow thread-processing cutters, electric spark machine and other precise mould producing equipment.6,High quality, competitive price ...