| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1100.06 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |