| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 261.05 | USD | 20251103 |
| Shandong Hanyue Chem | China national standards | MT | 268.11 | USD | 20251103 |
| Shandong Hanyue Chem | China national standards | MT | 268.11 | USD | 20251103 |
| Shanghai Guoke | China national standards | MT | 458.61 | USD | 20251103 |
| Shandong Jinling Chem | China national standards | MT | 409.22 | USD | 20251103 |
| Luxi Chem | China national standards | MT | 409.22 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 345.72 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 331.61 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 366.88 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 352.77 | USD | 20251103 |