| Vendor | Spec | Unit | Price | Currency | Date |
| Liao Jinxinda | China national standards | MT | 854.33 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1101.45 | USD | 20251117 |
| Shandong Jinshenrun Chem | China national standards | MT | 847.27 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1080.26 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 1313.26 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1285.02 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1256.78 | USD | 20251117 |
| Shandong Shuojia Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Shandong Shuojia Chem | China national standards | MT | 875.51 | USD | 20251117 |