| No. | Producer | Capacity 2019, t/a |
| 1 | Ningbo Wanglong Tech Co., Ltd. | 67,000 |
| 2 | Qingdao Haiwan Specialty Chemicals Co., Ltd. | 63,000 |
| 3 | Nantong Acetic Acid Chemical Co., Ltd. | 50,000 |
| 4 | Shandong Kunda Biotechnology Co., Ltd. | 20,000 |
| 5 | Anhui Jinhe Industrial Co., Ltd. | 10,000 |
| 6 | Guangxi Jinyuan Biochemical Industrial Co., Ltd. | 10,000 |
| 7 | Shandong Yabang Chemical Technology Co., Ltd. | 5,000 |