... .Only produce mould 2.describe:union ball valve 3.type:single,double,thread,butterfly,brass ball 4 ... confirm Send you sample for confoirm it, if not satisfied by customer.we modify mould. Delivery mould ... , gate valves, locking valves, deflation valves, IBC valve, three way valve, water tapes, etc., made of ABS, U ... customers, we stay on our promises every moment.8. Using the first-class equipment,we has ...