| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1265.79 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1350.17 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1350.17 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1351.07 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1351.07 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1266.62 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1308.85 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1308.22 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1266.02 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1350.42 | USD | 20250929 |