Vigour International Corporation Ltd. was established in 1998 with the authorized capital of 60million NT. Its major business includes international trade, food and medical marketing, and entertainment. Vigour Biochemistry Corporation Ltd. cooperated with Dr. Chiang-Ting Chien from National Taiwan University for research and development of the Bird Nest Sialic Acid. Furthermore, Vigour also cooperated with Dr. Shou-Chuang Zuo and Dr. Paonien Chen from the Development Center for Biotechnology to study Levonorgestrel(LNG) and the development of birth control pill。