| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 862.08 | USD | 20251201 |
| Shandong Laya Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Luxi Chem | China national standards | MT | 1243.66 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Luxi Chem | China national standards | MT | 1243.13 | USD | 20251130 |
| Liaocheng Yuanze Chem | China national standards | MT | 1101.87 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 988.85 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 1073.61 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 861.72 | USD | 20251130 |
| Shandong Luxi Chem | China national standards | MT | 960.6 | USD | 20251130 |