... various thermoplastics such as PC, PP, PE, Nylon, A.B.S.PET.PVC etc.to produce all kinds of medium-or small ... -use commodities;and our HI-P is specially designed for PET preform injection. The working principle of injection molding machine: ... developing of modern industry, the new plastic material’s application scope, because of material’s durability, light, low cost, shiny characteristics, becomes ...