| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 352.78 | USD | 20251113 |
| Liaocheng Xinli | China national standards | MT | 275.17 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 345.73 | USD | 20251113 |
| Shanghai Guoke | China national standards | MT | 458.62 | USD | 20251113 |
| Luxi Chem | China national standards | MT | 263.88 | USD | 20251113 |
| Luxi Chem | China national standards | MT | 381.01 | USD | 20251113 |
| Zaozhuang Yitai | China national standards | MT | 395.12 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 383.83 | USD | 20251113 |
| Luxi Chem | China national standards | MT | 254.0 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 366.89 | USD | 20251113 |