| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Yeyang Chem | China national standards | MT | 787.79 | USD | 20250918 |
| Shandong Zhiheng | China national standards | MT | 703.38 | USD | 20250918 |
| Shandong Hongyang Chem | China national standards | MT | 703.38 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 689.88 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 689.88 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 689.88 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 689.88 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 689.88 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 689.88 | USD | 20250916 |