1.three way valve 2.material:PPR 3.type:elbow,coupling,tee,three way valves 4.size:1/2", ... moulds. We have made many injection plastic three way valve moulds.Primary Competitive Advantages:1. We are ... production of plastic pipe fitting mold and valve mold manufacturer.2. We have the most ... various kinds of steelMolding life:>1,000,000shotsNameplastic three way pipe fitting mouldsHardness of Cavity & Core ...