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large diameter spiral steel pipe suppliers

These are related to the large diameter spiral steel pipe suppliers news, in which you can learn about the latest trends in large diameter spiral steel pipe suppliers and related information industry, to help you better understand and expand large diameter spiral steel pipe suppliers market.
  • [Industry News] Spiral steel pipe---product knowledge

    Spiral steel pipe is a spiral welded steel pipe made of strip steel or coiled plate as raw material, often extruded and formed by automatic double-wire double-sided submerged arc welding. Spiral steel pipe and its standard classification: spiral seam submerged arc welded steel pipe for pressure flui

  • [Industry News] Rebar fear of heights growing

    Data show that as of November 16, the price of HRB40020mm rebar in Shanghai increased by 200 yuan to 4130 yuan/ton from the previous week, an increase of 5.1%; the main rebar futures contract rose by 70 yuan to 3852 yuan/ton, an increase of 1.9%, based on The gap widened substantially. The apparent

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