| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1695.18 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1172.5 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 847.59 | USD | 20251129 |
| Jinan Jiaxing Chem | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1175.32 | USD | 20251129 |
| Shandong Haili Chem | China national standards | MT | 1695.18 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 1596.29 | USD | 20251129 |
| Shandong Yaoming Chem | China national standards | MT | 1080.68 | USD | 20251128 |
| Hunan JinyuChem | China national standards | MT | 1582.17 | USD | 20251128 |
| Shandong Yeyang Chem | China national standards | MT | 1144.25 | USD | 20251128 |