| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.71 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.71 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1270.04 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.37 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.76 | USD | 20251029 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1270.41 | USD | 20251029 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.11 | USD | 20251029 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.11 | USD | 20251029 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.86 | USD | 20251028 |