| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 261.06 | USD | 20251111 |
| Luxi Chem | China national standards | MT | 254.0 | USD | 20251111 |
| Shandong Yihe Chem | China national standards | MT | 238.48 | USD | 20251111 |
| Shanghai Guoke | China national standards | MT | 458.61 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 345.72 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 331.61 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 366.89 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 352.78 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 359.83 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 359.83 | USD | 20251111 |