| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1512.28 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 1611.22 | USD | 20251203 |
| Shandong Jinshenrun Chem | China national standards | MT | 1582.95 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 1568.82 | USD | 20251203 |
| Dongying Lianchem | China national standards | MT | 1175.91 | USD | 20251203 |
| Shandong Haili Chem | China national standards | MT | 1696.02 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 1512.28 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1175.91 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1175.91 | USD | 20251203 |