Profile: Wenzhou Hongyu Valve Manufacturing Co., Ltd is a manufacturer of stainless steel valves. Our products include ball valves, disconnecting valves, brake valves, check valves, bottom valves, material discharging valves and oxygen valves. We offer a complete series of manual, electric, pneumatic and worm wheel drive valves. Our products are used in petroleum, chemical engineering, fertilizer, smelting, electric power, water power, and construction industries.