| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.95 | USD | 20251112 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.95 | USD | 20251112 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.34 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.34 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.52 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.52 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.89 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.89 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.35 | USD | 20251106 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.35 | USD | 20251106 |