The founder of Thai Fuantang Co., Ltd. is Yang Youzheng Xian (1882-1959), Pinghe County, Zhangzhou City, Fujian Province (1882-1959). It was formally established as Thai Fuantang in 1912. It is located at No. 145 – 149 of Chageyue Road near Bangtang Street. It is engaged in traditional Chinese medicine. For the production and sales of Hetai Medicine, etc., there is currently one main store and ten branches (the branches are in many shopping malls in Thailand).