| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1175.74 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 1568.59 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1175.74 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 1526.52 | USD | 20251207 |
| Shandong Yihe Chem | China national standards | MT | 1639.6 | USD | 20251207 |
| Shandong Yihe Chem | China national standards | MT | 1639.6 | USD | 20251207 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251207 |
| Shandong Jinshenrun Chem | China national standards | MT | 1583.06 | USD | 20251207 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 1696.14 | USD | 20251207 |