We manufacture JHS brand stainless steel valves, stainless steel pipe fittings, stainless steel seamless and welded pipes. standard code GB, API/ASTM, BS, JIS, NF, DIN, ?OCT, etc. ISO9001: 2000 international quality certification, NQA, API-6D USA Test. export to US, Canada, Germany, French, Russia, etc. a large range of fields such as petroleum, the petrochemical industry, aviation, the nuclear industry, shipping industry, the highway, etc. We have been the loyal member of Chinese metal material circulation association stainless steel branch, China Council for the Promotion of International Trade, China Valve Association, China National Petroleum Corporation of the supply network, China Petroleum & Chemical Equipment Industry Association, etc.