| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.03 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1166.91 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.03 | USD | 20250920 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1715.22 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.03 | USD | 20250920 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1335.62 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1799.57 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1799.57 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.03 | USD | 20250920 |