Xiamen Dervos Valves Co., Ltd Main Products:. Ball Valves, Butterfly Valves, Check Valves, Gate Valves, Globe Valves, Plug Valves, Angle Valves, Knife Valves, Marine Valves, Needle Valves, Steel Pipe, Flange which was built up in 2007. The professional sales and service team started the business in valves from then on and has expanded the markets to Europe, South America, and Asia. Xiamen Dervos Valves Co., Ltd is a China Valve Manufacturer which was built up in 2007. The professional sales and service team started the business in valves from then on and has expanded the markets to Europe, South America, and Asia. Now our supply line extends to seamless/welded steel pipes, galvanized pipe and a large range of pipe fittings including elbow, reducer, tee, outlets and couplings, flanges etc. The products are of assured good quality and sensible price. Our company's commitment is to find the most suitable and economical products plan for the customers. We adopt modern management