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Products
Spiral Steel Pipe
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Spiral Steel Pipe -
Spiral Steel Pipe -
Spiral Steel Pipe
鋼管：國標、美標、日標、德標
規格：DN 10mm--2300mm 材質：20# 20G 16Mn A106,A53, 314/316 L P11,P91,P92 ,等 標準：GB/T8163-2008 ANSI/ASME B36.10 DIN17175 JIS G3444 API 5L API 5L CT
規格：DN 10mm--2300mm 材質：20# 20G 16Mn A106,A53, 314/316 L P11,P91,P92 ,等 標準：GB/T8163-2008 ANSI/ASME B36.10 DIN17175 JIS G3444 API 5L API 5L CT
