| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1210.33 | USD | 20250930 |
| Shandong Xima | China national standards | MT | 957.01 | USD | 20250930 |
| Shandong Qiangsen Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Xingpeng Chem | China national standards | MT | 1076.63 | USD | 20250930 |
| Befar | China national standards | MT | 1083.67 | USD | 20250930 |
| Wanhua Chem | China national standards | MT | 1336.99 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1196.26 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1175.15 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1210.33 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1210.33 | USD | 20250930 |