Profile: Zhejiang Wanda Valve Co. Ltd. specializes in producing gate valves, ball valves, check valves, globe valves and various non-standard valves. We are an ISO 9001:2008 certified company. Our products are widely used in the fields of petrochemical, natural gas, petroleum, metallurgy, building, water & electricity, and pharmacy. Our flanged ball valve features full port design, blow-out-proof stem, locking device and flange connections.