Qingdao Jiawei Plastic Machinery Co., Ltd. with over ten years plastic machinery manufacture experience and responsible sense at heart for customers, absorbing European experts design concept, hundreds of experiment data, and flexible innovation mind, has manufactured the best rate of quality and price, FSJ series high effective single screw extruder. The series of single screw extruder firstly achieves the productivity of per turn is not reduced with improving the screw rotating speed, realizes direct proportion metering extrusion without gravity metering feeding control system, realizes low energy consumption, low melting temperature and high effective extrusion.