公司銷售國內知名廠家生產的42CrMo圓鋼、15CrMo圓鋼、Q345B圓鋼、16Mn圓鋼等各種圓鋼產品！本公司是一家從事鋼鐵貿易，加工配送服務的大型企業(yè)

產品材質規(guī)格價格 42CrMo圓鋼42CrMoφ1104210 42CrMo圓鋼42CrMoφ484530 42CrMo圓鋼42CrMoφ604860

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