| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Yihe Chem | China national standards | MT | 1639.48 | USD | 20251203 |
| Hubei 789 Chem | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1173.08 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 1512.28 | USD | 20251203 |
| Shandong Yihe Chem | China national standards | MT | 1639.48 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 1696.02 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1175.91 | USD | 20251203 |