Since the beginning of establishment, JINAN QIDONG MACHINERY CO., LTD, is always engaged in the research, development, appliance of single or double-screw extruders and accessory equipment. Our company possesses advanced process technique, perfect managing system and excellent engineering groups. We have been keeping good technical share and exchange with several domestic and overseas universities and scientific institutions. Our company mainly provides DPH single-screw extruders and SPH ...