1.Only produce mould 2.describe:union ball valve 3.type:single,double,thread,butterfly,brass ball 4.material: ppr, pvc ... clear communications.2. We can provide various of single/double Union valves, check valves, membrane valves, bottom valves, gate valves, ... various pipe fitting of elbow, coupling, tee, reduce, cap, union, flange, flexible connector, water supply and sewerage pipe fitting moulds ...