Pet preform injection molding is a type of process used to produce plastic products made at pet preform injection molding are typically used to make different bottles, include bottles for food, medicine, cosmetic, Industry and other. First, plastic pellets are heated until they melt, and then they’re injected into a mold. This mold forms the plastic and when it cools, it hardens. Pet blow molding machine is a kind of special injection molding equipment with strong specialization. Its main attraction is that it can produce a high volume of parts fast and economically — and of such high quality that many of us never noticed its shortcomings. This is crucial for companies that have to produce a lot of packaging quickly.