Ball Valve,Brass Ball Valve,Gate Valve-Shanghai Donghan Industrial Co.,Ltd

     Shanghai Donghan Industrial Co., Ltd is the modern technological company which adopts the newest technique in the world. Its business covers the development, design, manufacture and marketing service of many products, primarily manifold. Main products of our company are as follows: manifold, floor-heating manifold, brass manifold, ball valve, thermostat valve, angle valve,...