| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 317.55 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 352.83 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 345.77 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 324.6 | USD | 20251118 |
| Shandong Shuojia Chem | China national standards | MT | 245.57 | USD | 20251118 |
| Aite Zhejiang | China national standards | MT | 352.83 | USD | 20251118 |
| Jiangsu LeeMan Chem | China national standards | MT | 320.37 | USD | 20251118 |
| Jinan Zhongyin Mat | China national standards | MT | 239.92 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 366.94 | USD | 20251118 |
| Shandong Jinling Chem | China national standards | MT | 366.94 | USD | 20251118 |