Shanghai Flow Valve and Fitting Co., Ltd. is specialized in manufacturing water valves, HVAC valves and strainers. Our main products are butterfly valves, ball valves, gate valves, globe valves, check vales, balancing valves, regulators, control valves, diaphragm valves, plug valves, backflow preventers, strainers, valve actuators, pipes, tubes and fittings. We manufacture valves in accordance with ANSI specification and BS and JIS standards.