Qingdao Yifeng Plastic Machinery Co., Ltd is high-tech plastic machinery enterprise specializing in producing integrated plastic equipment and different plastic pipelines and matrix with combination of scientific research, development, manufacture and service. The plastic extruder also calls the main machine,matching with the corresponding head of the machine and auxiliary equipment, to process the thermoplastic of PVC,PP,PE, etc, for example, extruding plastic pipes, nets material, plates and granulation, it may produce the hollow containers. The factory will design special purpose and common use screw in the plastic extruder according to the requirement of the consumers and the characters of the different material of PVC, PP and PE. Screw And Feeding Barrel Technical Parameters