Preform Screw Type 4.20*1.18*1.84 China Plastic Haitian Injection Molding Machine Ningbo Lutong Hydraulic Equipment Co., Ltd. Base Info Description Pre:Hot Sale China Thermoplastic Haitian 4.20*1.18*1.84 Phone Case Machine Ma900/260 Next:Haitian Preform 4.20*1.18*1.84 China Plastic Used Injection Molding Machine Ma1200/370