Tsim los ntawm 2004, Hualong Yooj Yim Qhib Kawg (Hualong EOE) tau ruaj khov tsim nws tus kheej ua tus neeg xa khoom hauv kev tsim cov Tinplate, TFS (Tin Free Steel), thiab Aluminium yooj yim qhib kawg.Tau ntau xyoo, Hualong tau tsim lub koob npe nrov rau kev ua tau zoo thiab kev tsim kho tshiab hauv ...
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