Contacts
| Shaanxi Jintai Biological Engineering | |
| Xi'an Herbking Biotechnology | |
| Xi'an Lyphar Biotech | |
| Xi'an Arisun ChemPharm | |
| Riotto Botanical | |
| Xi'an Realin Biotechnology | |
| Plamed Green Science Group | |
| Beijing Tong Ren Tang Group Co. Ltd. | |
| Chengdu Biopurify Phytochemicals Ltd. (Chengdu, China). |