| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.9 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.21 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.36 | USD | 20251023 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.56 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251017 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.63 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.24 | USD | 20251015 |