Cmt58 Conical Twin Barrel Zhejiang Guangming Plastics Machinery Co., Ltd. Base Info Screw:Twin-ScrewSize:45,90-92,188Trademark:GUANGYOU SCREWSpecification:SGS, ISO9001-2008Origin:Zhoushan, ChinaHS Code:8477900000 Description Pre:Cmt58 Conical Twin Screw Next:Extrusion Machine for PVC Double Pipe