| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 212.01 | USD | 20251210 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 445.21 | USD | 20251210 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 176.67 | USD | 20251210 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 195.04 | USD | 20251210 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 176.67 | USD | 20251210 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 148.4 | USD | 20251210 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.8 | USD | 20251210 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.99 | USD | 20251209 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 183.69 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.33 | USD | 20251209 |