| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.06 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.71 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 168.71 | USD | 20250919 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.06 | USD | 20250919 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.12 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.8 | USD | 20250919 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 203.86 | USD | 20250919 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 184.29 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |