| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1264.86 | USD | 20251201 |
| Dongying Huatai Chem | China national standards | MT | 1483.91 | USD | 20251201 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.94 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1137.66 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1554.57 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Jinling | China national standards | MT | 1137.66 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1384.98 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1257.79 | USD | 20251201 |
| Dongying Huatai Chem | China national standards | MT | 1102.33 | USD | 20251201 |