we are one of outstanding manufacturers and trade center about pressure pipe in China? which manufacture pipeline fittings made of kinds of material like steel high-pressure, medium-pressure, low-pressure, carbon steel, alloy steel and Austenite stainless steel. There are valves,Flange, Tee, Reducer, Caps, Bends, Forged screwed pipe, Spiral pipe series and so on. All produce adopted American standard ASME?ANSI), German standard DIN, Japanese standard JIS,  Chinese standard GB/T ?JB ?SH ?HGS and so on. At the same time our company could manufacture all sorts of complex, different, non-standard, especial thick and other series?  pipe fittings.  Our product widely used for profession construction and overhaul need in  petroleum, chemical industry, medicine, electric power, astronautics, war industry, fire prevention, metallurgy, shipbuilding, fuel gas, nuclear electricity, urban construction, hot-water heat and environmental protection and so on .?