... 4.in PVC material Tairong Machineryextrusion mould for PVC wire cable trunking (multi cavity, top and cover co-extrusion)Main Products ... Mold CO.,LTD.:PVC cable trunking extrusion mouldsmore than 8years experiences different pvc, ppr,abs, uhmwpe and other plastic pipe/profile mould ... our moulds:1,With more than 10-year experience in plastic pipe mould line,our company has provided first-rate service ...