| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1170.43 | USD | 20250918 |
| Dongying Lianchem | China national standards | MT | 1170.43 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 1181.68 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 1170.43 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 1463.04 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 1463.04 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 1463.04 | USD | 20250918 |
| Shandong Yihe Chem | China national standards | MT | 1111.35 | USD | 20250918 |
| Shandong Yihe Chem | China national standards | MT | 1125.41 | USD | 20250918 |
| Jiangsu Haixing Chem | China national standards | MT | 1139.48 | USD | 20250918 |