Anhui Prosper Flow Technology Co., Ltd is a high-tech enterprise specializing in R&D, production and sales of valves and fittings.we understand the international standards and strict export quality requirements of ductile iron valves. We provide OEM services for the world-famous valve companies. Our valves cover British Standard (BS), German Standard (DIN), American Standard (AWWA), Australian Standard (AS), South African Standard (SABS) and National Standard (GB). Now it has its own valve logo “ZW”. We have Gate Valve, Check Valve, Butterfly Valve, Air Valve and Water Meter.