Qingdao Friend Plastic Extrusion Technology Co., Ltd. Has manufactured the best ratio of price to performance, FSJ series high efficiency single screw extruder basing on over ten years' plastic machinery manufacture experience, sense of responsibility for customers, absorbing European expert's design concept, possessing hundreds of experiments data, and flexible innovation thought.

This series of single screw extruder firstly achieves the enhancement of screw speed without reducing productivity in each revolution, realizes direct proportion metering extrusion without gravity metering feeding control system, realizes low energy consumption, low melting temperature and high effective extrusion.

Based on manufacturing high effective single screw extruder, Friend Co., Ltd perfects die and down streaming machinery design, produces international standard PE / PP series water supply(drainage) pipe production line and sheet/board production line. Friend co., has supplied lots of plastic machinery for many countries in the world.