| Vendor | Spec | Unit | Price | Currency | Date |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.94 | USD | 20251210 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 195.04 | USD | 20251210 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 254.41 | USD | 20251210 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 155.47 | USD | 20251210 |
| Henan Baiquan Pharmaceutical Co., Ltd. | China national standards | MT | 165.36 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 190.8 | USD | 20251210 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 176.67 | USD | 20251210 |
| Sichuan Hebang Biotechnology Co., Ltd. | China national standards | MT | 233.14 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 183.69 | USD | 20251209 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 190.75 | USD | 20251209 |