| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 233.43 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 233.43 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 237.67 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 237.67 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 239.09 | USD | 20251211 |
| Liaocheng Xinli | China national standards | MT | 247.57 | USD | 20251211 |
| Liaocheng Xinli | China national standards | MT | 275.87 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 229.18 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 229.18 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 229.18 | USD | 20251211 |