Weifang yuchuan machinery co.,ltd was built in 1973, has more than 700 employees, factory area of more than 110000 m^2, construction area of more than 60000 m^2. The output capacity is one million to 60000 tons of qualified casting. "Flywheel" brand valve products and "xuanfeng" brand cylinder heads of internal combustion engines in various types and series every year. Surcafe epoxy coated medium pressure soft seal flexible seat gate valve, metal seal valve, butterfly valve gate hydrant, balancing valve vent valve silent check valve, fire hydrant etc. The products are largely exported to Europe and America, the Middle East, Southeast Asia. and South Africa etc. It is preferred in water supply, drainage and fire fighting projects in developed country markets, and its products are also becoming widespread in China.