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• Tianjin Liwei Hlau & Steel Co., Ltd tsim nyob rau hauv 2003.

• Niaj hnub twb tso cai rau tus ua lag ua luam rau steel khoom ntshuam thiab export nyob rau hauv lub xyoo ntawm 2009.

• Rooj tog lub tuam txhab tsim nyob rau hauv 2016.



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