About Dervos

Our most stable support comes from our skilled workers. Because of their diligence and hard-working, our workshop can fullfill the production on time and keep the quality good always. China Valve Manufacturer Dervos is a world-class Valve Manufacturer Supplier & Exporter, providing Valves, Steel Pipe, Flange, Pipe Fitting, and Fasteners for gas, oil, water, acid, and steam pipe system. Our Valve products cover Ball Valve, Butterfly Valve, Check Valve, Gate Valve, Globe Valve, Plug Valve etc in various materials, sizes, standards and types.