| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1100.7 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.92 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.92 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.92 | USD | 20251030 |