Ngo-1989, uMnu. Zhaoyun Du wasungula i-Shenyang Great Wall Filtration Co., Ltd., waqala kusukela ekuqaleni, futhi waba negalelo elikhulu ekuthuthukiseni imboni yamakhasi okuhlunga yaseChina.Ngo-2013, uMnu. Zhaoyun Du washona.Iminyaka eyisikhombisa, uNksz Du Juan, umphathi jikelele wesizukulwane esisha, uhole ngaphezulu...
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