镀锌管生产流程

作者: 镀锌管 来源: www.niutoug.com 日期: 2019-05-14 15:59:48 人气: - 评论: 622

镀锌管生产工艺:上料→酸洗、水洗→溶剂→烘干→热镀锌→内、外吹→滚标、标识→钝化→检验→包装。

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