| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Denuo Chem | China national standards | MT | 1058.78 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 1651.7 | USD | 20251107 |
| Jinan Qi Mat | China national standards | MT | 1637.59 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 1651.7 | USD | 20251107 |
| Shandong Yushuo Chem | China national standards | MT | 1694.05 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1185.84 | USD | 20251107 |
| Shandong Yushuo Chem | China national standards | MT | 1651.7 | USD | 20251107 |
| Shandong Yushuo Chem | China national standards | MT | 1651.7 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1174.54 | USD | 20251107 |
| Shandong Haili Chem | China national standards | MT | 1750.52 | USD | 20251107 |