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136 7679 2327
主營業務
不銹鋼無縫管
Φ6--830mm×1--50mm
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Φ159--2000mm×2--30mm
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304/L/H、316/L/H、321/H、317/L、309S、310S、2205...
無縫不銹鋼管標準:
GB、ASTM、ASME、DIN、JIS
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