Our History A professional producer with 13 years old history on producing stainless steel pipes and tubes. Our Factory Guobang Steel, in No 203, Ruiyang Avenue, Songyang Industrial Park,Lishui, Zhejiang, The company applies the mode of collective management and has formed the diversified, serialized and assorted development pattern of Stainless Steel Seamless Pipes. Our Product The materials involving Austenitic steel, Super austenitic steel, Duplex, Super duplex, Nickel alloy, like the 304L, 316L, 310S, 321, 347, 904L, 254SMo, S31803, S32205, S32750, N04400, N06600, N06625, N08800, N08825, N10276 seamless pipes and tubes鈥?/p> Product Application Our products are widely used in many industries, such as petroleum, chemistry, shipbuilding, medicine, machinery, auto, food, electricity, hydropower, urea, construction, fertilizer, nuclear power, new energy equipment, and enjoying a high reputation. Our Certificate Guobang Steel has achieved ISO9001, ISO14001, OHSAS18001, PED 97/23/EC and AD2000 merkblatt W0 certificates, and the ABS, BV, CCS, DNV-GL, LR Classification Society Certificates etc鈥?/p> Production Equipment Inspection equipments: Direct reading spectrometer, PMI, Automatic ET and UT equipment, Hydraulic test equipment, Universal material testing equipment, Impact testing equipment, High magnification microscope, Hardness tester, IGC test machine鈥?/p> High-precision cold-rolled production lines, large-diameter hydraulic production line, cold-drawn production lines, natural gas solution heat treatment furnace, 600T hydraulic machine and straightening machine鈥?/p> Production Market Products made by Guobang Steel are exported to Germany, U.K., France, Netherlands, Belgium, Russia, U.S.A., Korea, Japan, U.A.R., Australia, South Africa, etc. Our Service The warranty period is 12 monthsChina ASTM A312 TP304L Pipe manufacturers website:http://www.gsspipe.com/