| 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 mete ...[Read
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