| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.45 | USD | 20250930 |
| Xiangfen Longtengda Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.68 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 787.74 | USD | 20250929 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 773.68 | USD | 20250929 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.05 | USD | 20250929 |