| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1101.87 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1285.51 | USD | 20251129 |
| Shandong Yaoming Chem | China national standards | MT | 819.34 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1101.87 | USD | 20251129 |
| Jinan Qi Mat | China national standards | MT | 840.53 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.97 | USD | 20251129 |
| Hualu Holdings | China national standards | MT | 1313.76 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1080.68 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1108.93 | USD | 20251129 |