The main products of the company are the seamless steel pipes, using the advanced heat and cold processing technology, divides two kinds of hot rolling and cold draw.

 
  • 公司主導產(chǎn)品為無(wú)縫鋼管,采用先進(jìn)的熱冷工藝技術(shù),分熱軋和冷拔兩大類(lèi)。
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国内精品美女A∨在线播放xuan