... .,Ltd.! 1,Euro-style rectangle barrel achieves smaller temperature difference.2,Innovated design of heater tightened style insures high effciency of ... 6,Different styles of feeder could be chosen: single screw, twin screw, hollow screw,forced-feeding, side-feeding,liquid-adding system ... -646002509004.2500-1000 HS High-quality SHJ-75B co-rotating twin-screw pelletizing/ granulating extruder