Soon after completing his military service, the 30-year-old Hung Tzu-jian came to Vietnam with his elder brother, Hung Tzu-chien, to work for friends in a factory located in Binh Duong's Song Than Industrial District. The factory did electroplating work and manufactured hubs, cables, and aluminum wheel rims for bicycles. Hung now runs Wang Sheng Industrial's Vietnam plant, and his brother is a manager there.
現年 30 歲的洪子鍵，當年一退伍就與哥哥洪子乾來到越南平陽省的神浪工業區，投入友人投資的自行車花鼓、鋼絲、鋁輪圈製造及電鍍加工等工作，現任越南旺昇國際公司廠長，哥哥洪子乾則擔任經理。