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匯馬公司是馬鋼與萊鋼在華南地區最大的分銷代理商。常年可供中國標準熱軋H型鋼、日本標準、英國標準熱軋H型鋼。規格齊全，材質為Q235B，Q345B，SM490B，SM490YB，ASTMA50，能滿足大型工程建設的需要。 Huima is the exchange and Maanshan Iron and Steel Lai Steel in southern China's largest distribution agents. Perennial China standard hot-rolled H-beam, the Japanese standard, the British standard hot-rolled H-beam. Complete specifications, the material is Q235B, Q345B, SM490B, SM...