| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1358.12 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1315.68 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1273.24 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1358.12 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.06 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.67 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.45 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.45 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.62 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.83 | USD | 20251208 |