| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.14 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |