... Way Ball Valve moulds 2.material:PPR 3.type:elbow,coupling,tee,three way valves 4.size:1/2", 3/4", 1" 5 ... .standard Why choice us?We have more than 15 years experience of making valve ... have made many injection plastic PPR Three Way Ball Valve.Primary Competitive Advantages:1. We are ... of plastic pipe fitting mold and valve mold manufacturer.2. We have the most competitive ...