ZhouShan JinJiu Machinery Manufacture Co., located in the same island city, Zhoushan city , as the Putuo Mountain of china. The company specially produces screws and molten-rubber cylinders for homemade and imported 30-20000 gram plastic injection machines, 15-300mm single screw extruders, 30-130mm tapered and parallel double screw extruders rubber machinery, petroleum machinery, etc.using quality steel 38CrMoAlA, all products accord with the national standards after the treatment of structural improvement, nitriding, grinding, and polishing, .The company can make the screw cylinder made of GH113 Nickel-based alloy which can also be sprayed various alloys, F46 elevated temperature wire and cable sets, and customized �¦30-150 extruding .we provide the services of mapping, design , and maintenance, and change extruders equipements.