1. School of Biological and Chemical Engineering Qingdao Technology College Qingdao Shandong China
2. Qingdao Sparta Analysis & Testing Co., Ltd. Qingdao Shandong China
3. Novasana (Taicang) Bioscience Co., Ltd. Suzhou Jiangsu China
4. Department of Quality Control Bohi Agricultural Science Co., Ltd. Qingdao Shandong China