... material Tairong Machineryextrusion mould for PVC wire cable trunking (multi cavity, top and cover co-extrusion)Main Products of Zhangjiagang City Tairong Mold CO.,LTD ... we could give the whole support for customer in raw material formole, selection for extruder machine, mould technique and operation ... design service will be provided,and we can develop new mould at customer’s request.4,All moulds are ...