| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1272.1 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.91 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.91 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.51 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1272.39 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1357.22 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1357.22 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.8 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.81 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.41 | USD | 20251203 |