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歡迎來到鹽山昱通螺旋鋼管實體生產企業！

服務熱線：

139-0327-6700

銷售熱線：

0317-5760336

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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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大口徑城市排水用防腐鋼管廠家

大口徑城市排水用防腐鋼管廠家

螺旋鋼管的抗壓強度一般比大口徑直縫焊管高，可用窄小的胚料生產制造管徑很大的焊管，還能夠用一樣總寬的胚料生產制造管徑不一樣的焊管。可是與同樣長短的直縫管對比，焊接長短提...

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