Ngo Quyen Metal Joint Stock Company specializes in manufacturing Copper - Casting Copper - Trading in products of Red Copper - Gold copper including straight copper pipe, rolled copper pipe, solid copper, busbar, ground pole, copper plate , rolls, welding rods, cold supplies, .. which are high quality with different specifications. Our products are widely used in shipbuilding industry - refrigeration industry, air conditioner and water supply projects, civil electricity - indu