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Cangzhou Sined Steel Pipe Group co., Ltd. now holds seven Lincoln automatic manufacture lines of bifilar and double-side spiral seam welding pipes with submerged arcs (SSAW) which are introduced from the USA. The annual production capacity is about 300,000tons of different specifications of spiral welded steel pipes which are arrange from ¦Õ219mm to¦Õ3500mm,wall thickness from 6mm to 25.4mm.Our products can widely-used in many infrastructure areas, such as petroleum, coal gas, natural gas, water supply and he...
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