| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.21 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.21 | USD | 20251203 |