| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1238.48 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1237.88 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 914.35 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |