 | | Shanxi precision seamless steel tube | | Precision seamless steel tube featuresPrecision seamless steel tube outer wall and inner wall there is no oxidation layer, under high pressure and no leakage, high precision, high smoothness, cold be... |
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 | | General structure with seamless steel tube | | General structure with seamless tube # 20 / GB8162 245X10 6310General structure with seamless tube # 20 / GB8162 273X7 6310General structure with seamless tube # 20 / GB8162 273X8 6310General structu... |
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