| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Zhiheng | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Zhiheng | China national standards | MT | 1167.27 | USD | 20250922 |
| Shandong Xingpeng Chem | China national standards | MT | 1075.53 | USD | 20250921 |
| Shandong Xingpeng Chem | China national standards | MT | 1075.53 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Jinling Chem | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1138.79 | USD | 20250920 |