Carbo Bronze Manufactory Co., Ltd. is an integrated enterprise of product development, manufacturing, sales and service . Since it established in 2000, we have developed series of bronze valves, fittings, plumbing and other hundreds of products, exporting to European and American markets. With ten years of continuous development, Carbo has become the leader manufacturer in the field of bronze casting and machining industry in China.Company has got "UPC" product certification, "NSF61", AB 1953 certified lead-free copper and other foreign well-known certification, and ISO9001: 2008 international quality standard to strictly control the product quality during the entire production process. In the same time, we cooperate with the leading enterprises in the international valve industry in order to build a world-class unleaded bronze valve business company