| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250920 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 590.48 | USD | 20250920 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 506.13 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 541.28 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 604.54 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 541.28 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 541.28 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 506.13 | USD | 20250919 |
| Satellite Chemical Co., Ltd. | China national standards | MT | 604.54 | USD | 20250919 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 506.13 | USD | 20250919 |