——Shanghai HQ Instruments Co., Ltd professionally produce various valves, and our main productions are septum valves, valve plates, brake valve, the valve closed, the folder valves, check valves, closed valves, ball valve, control valve, which widely used in chemical industry, oil, metallurgy, paper, medicine, coal, hydropower , and nuclear power industries, etc. At reasonable prices for the supply of valves, spare parts and purchasing dealers, repair of the valve and to provide technical advice and technical services, charge d'affaires of packaged consignments, sincere provide quality services for the general user. We to the market as a guide, efforts to consolidate and expand the domestic market, vigorously develop the international market for China's contribution to the valve industry won reputation.