| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1087.63 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1087.17 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1086.85 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1086.42 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1085.96 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1086.47 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1087.32 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1087.19 | USD | 20251114 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1086.57 | USD | 20251113 |