| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1214.88 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Mingyu | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 960.6 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 1115.99 | USD | 20251129 |
| Dongying HuataiChem | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Mingyu | China national standards | MT | 1214.88 | USD | 20251129 |
| Dongying HuataiChem | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Jinling Chem | China national standards | MT | 1115.99 | USD | 20251129 |