| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1271.83 | USD | 20251208 |
| Zibo Dehe Chem | China national standards | MT | 946.81 | USD | 20251208 |
| Shandong Hualu | China national standards | MT | 1031.6 | USD | 20251208 |
| Shandong Fusheng | China national standards | MT | 1102.26 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 904.41 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 975.07 | USD | 20251208 |
| Xiamen Yudeshun Chem | China national standards | MT | 1681.65 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 975.07 | USD | 20251208 |
| Shandong Hualu | China national standards | MT | 939.74 | USD | 20251208 |