N/a manufacturer / supplier in China, offering Jtalv Low Price DN40-DN300 Regulating Type Cast Iron Motorized Butterfly Valve with Electric Actuator Butterfly Valve, Threaded 3-Way Pneumatic Ball Valve – Double or Single Acting with Flow Regulation, Jtaiv Pneumatic 3-Way Ball Valve – Stainless Steel, Threaded, Double/Single Acting, Flow Control and so on.