| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.95 | USD | 20251112 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.23 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.44 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.88 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.25 | USD | 20251106 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1551.46 | USD | 20251105 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1551.81 | USD | 20251104 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.2 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1551.92 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.27 | USD | 20251030 |