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歡迎來到鹽山昱通螺旋鋼管實體生產企業！

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鹽山昱通管道

專業生產銷售大口徑厚壁國標螺旋鋼管，廠內加工防腐/保溫/涂塑

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部標螺旋鋼管

部標螺旋鋼管

部標螺旋鋼管標準是SY/T5037-2000（普通流體輸送管道用螺旋縫埋弧焊鋼管），此標準為部標，GB/T9711為國標，國標對鋼管的要求比部標要高。部標螺旋鋼管主要的生產流程...

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