Tsim muaj xyoo 1994, Yongjie tau tsim kho los ntawm lub npe qub Southeast Aluminium Co., Ltd, mus rau cov tuam txhab sib koom ua lag luam hauv xyoo 2011. Raws li lub teb chaws tseem ceeb tuam txhab High-tech Enterprise, Yongjie tau mob siab rau kev txhim kho thiab tsim cov khoom lag luam siab, siab. -precision aluminium alloy ntawv, coil thiab ntawv ci cov khoom lag luam, kev sib zog ua lub ntiaj teb zoo siab cov khoom siv aluminium alloy cov khoom lag luam hauv kev tsim kho tsheb, lub zog tshiab thiab lwm yam kev lag luam, thiab muaj peev xwm muab cov neeg siv cov kev daws teeb meem ntawm aluminium alloy cov ntaub ntawv.