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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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丁字焊卷管

丁字焊卷管

丁字焊卷管和丁字焊管是一個意思。按丁字焊卷管的材質來劃分，可分為碳鋼丁字焊卷管、低合金丁字焊卷管、高合金丁字焊卷管、不銹鋼丁字焊卷管等。產品執行標準為：GB/T50205-2001...

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