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BriefCarbon steel pipe or solid steel ingot is made of perforated steel bar through the capillary, then hot rolled, cold rolled or cold call is made.

BriefCarbon steel pipe or solid steel ingot is made of perforated steel bar through the capillary, then hot rolled, cold rolled or cold call is made.

BriefCarbon steel pipe or solid steel ingot is made of perforated steel bar through the capillary, then hot rolled, cold rolled or cold call is made.

BriefCarbon steel pipe or solid steel ingot is made of perforated steel bar through the capillary, then hot rolled, cold rolled or cold call is made.

BriefCarbon steel pipe or solid steel ingot is made of perforated steel bar through the capillary, then hot rolled, cold rolled or cold call is made.

BriefCarbon steel pipe or solid steel ingot is made of perforated steel bar through the capillary, then hot rolled, cold rolled or cold call is made.