| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 917.21 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 987.77 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 917.04 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1241.53 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.37 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.58 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1241.82 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 917.25 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 987.81 | USD | 20251030 |