... designed,high strength 4.CE High quality conical twin screw barrel: Our company,Shanghai Xinxing twin screw machinery ,specialized in plastic extruder,and its ... machine,board printing machine and belling machine,etc. Our screw and barrel have the advantages of advanced design,high output ... 9051/10555/11065/13280/15680/17292/188Max.rotational speed of screw(r/pm) 4545454534.734.734.7Main motor(kw)1518. ...