| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 745.81 | USD | 20250905 |
| Qingdao Shengze Chem | China national standards | MT | 689.64 | USD | 20250904 |
| Anhui Ruibai | China national standards | MT | 689.64 | USD | 20250904 |
| Shandong Xingpeng Chem | China national standards | MT | 745.93 | USD | 20250904 |
| Shandong Junfeng | China national standards | MT | 788.16 | USD | 20250904 |
| Nanjing Baitu Chem | China national standards | MT | 745.93 | USD | 20250904 |
| Nanjing Baitu Chem | China national standards | MT | 745.93 | USD | 20250904 |
| Shandong Junfeng | China national standards | MT | 787.74 | USD | 20250902 |
| Shandong Junfeng | China national standards | MT | 773.68 | USD | 20250902 |
| Shandong Yeyang Chem | China national standards | MT | 787.74 | USD | 20250902 |