主要经营
金牌代理 华北地区各大钢厂 常备万吨现货库存
螺纹钢 盘螺 线材
HRB400 HRB400E HRB500HRB500E HRB6O0E HRB400-THRB300 CRB600H CRB550 Q235
联系方式
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