| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1358.12 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.45 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.62 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.91 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1357.22 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.81 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.72 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.14 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.33 | USD | 20251127 |