Welding in the future to the pipe to stop pickling and passivation disposal.

焊好今后要对管件停止酸洗和钝化处置。

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Cold-rolled plate, galvanized sheet, hot-rolled plate, iron ore, pickling board, processing, steel, surface treatment, Pipe, 5600 yuan per ton.

冷轧板，镀锌板，热轧板，铁矿石，酸洗板，加工，钢铁企业，外表处置，钢管，每吨5600元。

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