本公司常年销售各大钢厂各种材质合金管；锅炉管；石油裂化管；化肥专用管等无缝钢管，欢迎新老客户来电质询13752305661.公司长期销售：inkMacSystemFont,"SegoeUI",Roboto,"HelveticaNeue",Arial,"PingFangSC","HiraginoSansGB";white-space:normal;">GB9948无缝管、inkMacSystemFont,"SegoeUI",Roboto,"HelveticaNeue",Arial,"PingFangSC","HiraginoSansGB" 详细