定制地下管道检修口人孔镀锌钢制防水密闭人孔门尺寸齐全

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Hebei land pipeline manufacturing co. Ltd

Address:Hebei province, suzhou city, salt hill border high school
Tel:17761520687

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17761520687

定制地下管道检修口人孔 镀锌钢制防水密闭人孔门尺寸齐全