| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1213.73 | USD | 20251110 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.5 | USD | 20251110 |
| Aite Zhejiang | China national standards | MT | 1298.41 | USD | 20251110 |
| Shandong Zhenkun | China national standards | MT | 999.21 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1263.13 | USD | 20251110 |
| Shandong Yeyang Chem | China national standards | MT | 1256.07 | USD | 20251110 |
| Shandong Jinling Chem | China national standards | MT | 1044.37 | USD | 20251110 |
| Nanjing Baitu Chem | China national standards | MT | 1481.88 | USD | 20251110 |
| Shandong Jinling | China national standards | MT | 1129.05 | USD | 20251110 |
| Dongying Huatai Chem | China national standards | MT | 1058.78 | USD | 20251109 |