| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250923 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250923 |
| China national standards | MT | 1097.71 | USD | 20250923 | |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250923 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.54 | USD | 20250923 |