Plastic injection molding a new and emerging industry https://www.plasticmold.net/what-is-plastic-mold-technology/ Insert Molding metals and plastics together in a molded part, or multiple metals or materials molded together into a single molding part. we sometimes called metal insert molding. Insert molding (moulding) can be used in automobile, cooking ware, household equipment, instruments, devices, knobs, electrical components and more industrial, Insert molding is not only reducing assembly and labor costs but also better than assembly part, reduces the size and weight of the part, improves component reliability, and delivers improved part strength and structure with enhanced design flexibility. insert molding, plastic mold, PP injection molding