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, brass fitting and other brass products. Our products are widely used in water supply, fuel gas, heating, equipment, and home decoration, etc.