... ,but also production moulds for our equipment.such as elbow mandrel,elbow sizing moudls,elbow coil,tee moulds,elbow cold forming mouldspipe expanding moulds,cap moulds, reducer moulds and so ... information, Make our mould more practicalelbow sizing mouldelbow OD:1/2"----64"elbow WT:sch10--sch60process:casting,grinding,quenching and so on High-class elbow sizing moulds