... tap 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, ... of designs.7. Small order accepted. Machining methods, Electric-Discharge Machining, Cutting by Spark Erosion with Traveling- Wire Electrodes ...