Profile: Shanghai Chamgu Valve Co., Ltd. manufactures valves. Our product line includes cast steel, forged steel, water control, hydraulic control, butterfly, gate, check, plug, ball and globe valve. Our water control valve are designed to handle and control hot water, cold water, ground water, potable water, salt water and/or wastewater. Our metal water valves are made of aluminum, brass, bronze, cast iron, ductile iron, copper, steel or stainless steel. Our products are extensively used in water conservancy, construction, fire control, electric power, environment protection, petroleum, chemistry and medicine.