Our factory is the China Petrochemical Corporation designated enterprises, professional production of high, medium pressure instrument valves, three valves, five sets of valves, a variety of self-cont...
Shanghai Hua Tong Valve Co., Ltd. is a by DNV ISO9001-2000-DNV, the American Petroleum Institute API-6D-0459 and the American Bureau of Shipping ABS-certified valve with the right to import and export...