| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.51 | USD | 20250929 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250929 |
| Ningbo Zhetie Jiangning Chemical Co., Ltd. | China national standards | MT | 787.74 | USD | 20250929 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 787.74 | USD | 20250929 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 787.74 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.68 | USD | 20250929 |
| 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 |