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The company specialized in the production of all kinds of material seamless tubes, ASTM standard seamless steel tube, ANSI seamless tubes, JIS MSS seamless tubes, DIN DIN seamless tubes, galvanized pipes, hot rolled steel, API pipe, tube, thick-walled steel pipe, large-diameter steel pipe, non-standard reducing seamless tubes, ERW, pipeline management, API spiral pipe, steel, cold drawn tube, pipe, galvanized pipe, ERW seamless tubes, alloy tube, stainless steel pipes and various elbows, tees, flanges, big bend. Perennial distribution safety steel, steel, Bao Steel, Lai, Daye-steel, AISC, vibration and seamless steel tube manufacturers in a spot of seamless steel tubes. Complete specifications, reasonable price. Perform standard ASTM-A106B, ASTM-A53B, API-5L, JISG3454, JISG3444, API-5CT, BS, DIN, ISO and other standards JIS, pipe, structural tube GB8162-1999, fluid GB8163-1999, low and medium pressure boiler Crown GB3087-1999, high pressure boiler tube GB5310-1995, fertiliz GB6479-2000. Made of GR.B, STPG370,