Changzhou Tian Hui Spiral Steel Pipe Co., Ltd. ISO 9001:2000 international quality system certification enterprises Changzhou Tian Hui spiral Steel Pipe Industrial Co., Ltd. is a professional production and operation of spiral steel pipe manufacturer, the production of spiral steel pipe shelf quality spiral steel pipe Spiral steel pipe, spiral pipe, seamless steel tubes, seam pipe, straight seam steel pipe, straight seam pipe, longitudinally welded pipes, spiral welded pipe, welded pipe, pipe insulation, anti-corrosion steel pipe, pressure pipe, submerged arc welded pipe, dredge pipe, sewage pipe, lost mud steel pipe. Specializing in the production D219mm-D3220mm * 5-60mm spiral welded steel pipe \ ASTM A106 GR B, steel pipe of SAW of SSAW Spiral Pipe (material: of Q235B Q235C Q345B, the Q235A, 10 # steel, 20 # steel, 16Mn L245 L290 of L360 pipeline steel S245 S290 S360 X42 X52), spiral welded pipe, spiral pipe, dredge pipe, transmission and mud steel pipe, ERW straight seam steel pipe, straight seam welded pipe, pressure pipe, hot-rolled steel pipe, hot expanded steel pipe, seamless steel tubes, welded steel pipes, pipe insulation, corrosion of steel pipe and elbow , flange, tee, head size, the greater curvature of pipe fittings. The company is committed to: the same quality steel, steel prices the lowest. The price of an equivalent steel pipe, pipe the best quality. Companies to participate in a variety of pipes, pipe network engineering, pipe fittings tender. Is the domestic first set of thick-walled large diameter spiral pipe production factory can produce 406 * 22mm 2820 * 32mm special thick-walled spiral pipe. The products are widely used in petroleum, natural gas, gas, water supply, thermal power generation, steam heating, hydropower pressure steel pipes, thermal power, dredging projects, transmission fluid pipe, piling, bridges, steel industry, foundation engineering. 
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