| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.81 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.81 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.63 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.63 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.75 | USD | 20251126 |