| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.78 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.88 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.88 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251110 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 719.97 | USD | 20251107 |