Nancy Chang made three trips to Taiwan to raise capital and seek government support, one each in 1999, 2002, and 2005. But the National Development Fund rejected her proposals, and her plans to have the company build a Taiwanese plant and itself manufacture the drug came to naught.
據了解，唐南珊分別在 1999、2002、2005 年 3 度回台募集資金，並尋求政府的支持，結果卻因為沒有通過國發基金的評估，而使其回台設廠、自行生產的計畫落空。