| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.41 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.81 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.81 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1272.01 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.67 | USD | 20251202 |
| 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 | 1314.32 | USD | 20251201 |