<![CDATA[EC21 Product Catalogs - plastic ring]]> <![CDATA[Bimetallic Injection Screw Barrel Manufacturer China]]> <![CDATA[Bole Injecion Screws and Barrels, Screw Tips, Nozzles, Injection Units, Plasticating Components]]> <![CDATA[Extruder XJW75X12D, XJD150X16D, XJ-250, SJ92/188]]>