| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1165.18 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 1176.39 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 1165.18 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 1165.18 | USD | 20250811 |
| Shandong Xima | China national standards | MT | 840.28 | USD | 20250811 |
| Shandong Qiangsen Chem | China national standards | MT | 1050.35 | USD | 20250811 |
| Shandong Junfeng | China national standards | MT | 910.3 | USD | 20250811 |
| Shandong Junfeng | China national standards | MT | 917.3 | USD | 20250811 |
| Shandong Yeyang Chem | China national standards | MT | 1141.38 | USD | 20250811 |
| Shandong Yeyang Chem | China national standards | MT | 1134.37 | USD | 20250811 |