| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1102.74 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |