| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1252.52 | USD | 20250925 |
| Hualu Holdings | China national standards | MT | 1308.81 | USD | 20250924 |
| Shandong Zhenkun | China national standards | MT | 1076.6 | USD | 20250924 |
| Jinan Zhongyin Mat | China national standards | MT | 971.05 | USD | 20250924 |
| Luxi Chem | China national standards | MT | 971.05 | USD | 20250924 |
| Shandong Hualu | China national standards | MT | 992.16 | USD | 20250924 |
| Shandong Yuanhe Chem | China national standards | MT | 1097.71 | USD | 20250924 |
| Jinan Dezheng Chem | China national standards | MT | 971.05 | USD | 20250924 |
| Shandong Yushuo Chem | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Aite Chem | China national standards | MT | 1266.59 | USD | 20250924 |