| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 761.34 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 761.34 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |