| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1017.01 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1016.58 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1016.27 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1015.87 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1015.44 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1015.92 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1016.15 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1016.72 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1016.02 | USD | 20251113 |