| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1175.74 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 1582.73 | USD | 20251208 |
| Shandong Haili Chem | China national standards | MT | 1695.78 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1172.91 | USD | 20251208 |
| Shandong Xima | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1175.74 | USD | 20251208 |
| Shandong Qiangsen Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1175.74 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1187.04 | USD | 20251208 |
| Weifang Yixin Chem | China national standards | MT | 1646.32 | USD | 20251208 |