... trunking (multi cavity, top and cover co-extrusion)Main Products of Zhangjiagang City Tairong Mold CO.,LTD.:PVC cable trunking extrusion mouldsmore ... than 8years experiences different pvc, ppr,abs, uhmwpe and other plastic pipe ... customer’s request.4,All moulds are designed by high-tech softwares,such as ,CAXA,CAD,SOLIDWORKS,etc.5,All ...