| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1031.38 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.39 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.55 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.03 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.84 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.71 | USD | 20251114 |