In November 2001, it invested more than 60 million yuan to carry out new technical transformation of all workshops and supporting facilities, and built a comprehensive preparation workshop of 10,000 square meters, a TCM pre-treatment and extraction workshop of 3,700 square meters, a API workshop of 3,600 square meters, a sewage treatment station of 1,100 square meters, a central laboratory and research and development center of 1,700 square meters. All adopt domestic advanced technology of production, testing equipment and auxiliary facilities.