| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 961.14 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1243.83 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1244.12 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 918.95 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 961.36 | USD | 20251204 |