| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 960.94 | USD | 20251208 |
| Beijing Yanshan Petro | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.78 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 1003.34 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1109.32 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 975.28 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 1003.55 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 1003.55 | USD | 20251207 |
| Shandong Jinshenrun Chem | China national standards | MT | 975.28 | USD | 20251207 |