... mould, elbow pipe fitting mould, tee pipe fitting mould, reduce pipe fitting mould, coupling pipe fitting mould, cross pipe fitting mould, union ... mould, flexible connector mould, water supply mould and sewerage pipe fitting mould, etc., made of ABS, U-PVC, ... -Discharge Machining, Cutting by Spark Erosion with Traveling- Wire Electrodes, Mold Surface Finishing and Polishing, Molding Surface Finishing ...