JHS Valve Manufacturing (Beijing) Co., Ltd. All kinds of different valves, seamless pipe, welded pipe, pipe fittings, the material: stainless steel/carbon steel/cast iron/brass/bronze. The products produced by the company are manufactured by using the Chinese standard GB code, the US standard API/ASTM code, the British standard BS code, the Japanese standard JIS code, the Russia standard「OCT code, the French standard NF code and the Germany standard DIN code and so forth.