| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1241.96 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.69 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.96 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1242.31 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 917.61 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 988.2 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 987.79 | USD | 20251106 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1241.8 | USD | 20251106 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.57 | USD | 20251106 |