| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 451.44 | USD | 20251104 |
| Shandong Hanyue Chem | China national standards | MT | 268.04 | USD | 20251104 |
| Shandong Hanyue Chem | China national standards | MT | 268.04 | USD | 20251104 |
| Nanjing Daoyi Chem | China national standards | MT | 282.15 | USD | 20251104 |
| Luxi Chem | China national standards | MT | 268.04 | USD | 20251104 |
| Luxi Chem | China national standards | MT | 232.77 | USD | 20251104 |
| Shandong Yihe Chem | China national standards | MT | 238.41 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 359.74 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 359.74 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 359.74 | USD | 20251104 |