| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1200.75 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 1342.02 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Yeyang Chem | China national standards | MT | 1243.13 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Zhiheng | China national standards | MT | 1172.5 | USD | 20251128 |
| Shandong Jinling Chem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Huize Chem | China national standards | MT | 1049.6 | USD | 20251128 |
| Shandong Yihe Chem | China national standards | MT | 1059.64 | USD | 20251127 |
| Befar | China national standards | MT | 1137.34 | USD | 20251127 |