1,PP-R pipe production line 2,pipe diameter:20-63mm 3,Speed ... cost welcome to our websitezhangjiagang xintain machienry Co., Ltd PP-R pipe production lineFeatures and applicants:special single screw extruder for ... be used to produce HDPE sillicon core tube, ordinary PP-R, PE-RT and PEX pipesMain tech Parameters:model:SJ65/30 ...