| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 805.49 | USD | 20251208 |
| Beijing Yanshan Petro | China national standards | MT | 908.65 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 960.94 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 975.07 | USD | 20251208 |
| Lihuayi Weiyuan Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 989.2 | USD | 20251208 |
| Beijing Yanshan Petro | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 908.65 | USD | 20251208 |
| Lihuayi Weiyuan Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 908.65 | USD | 20251208 |