| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 971.05 | USD | 20250925 |
| Jinan Dezheng Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Shandong Jiaen Chem | China national standards | MT | 1090.67 | USD | 20250925 |
| Shandong Mingyu | China national standards | MT | 1048.45 | USD | 20250925 |
| Nantong Zhonghe Chem | China national standards | MT | 956.98 | USD | 20250925 |
| Shandong Aite Chem | China national standards | MT | 1238.44 | USD | 20250925 |
| Beijing Yanshan Petro | China national standards | MT | 1055.49 | USD | 20250925 |
| Shandong Aite Chem | China national standards | MT | 1097.71 | USD | 20250925 |
| Shandong Aite Chem | China national standards | MT | 1097.71 | USD | 20250925 |
| Beijing Yanshan Petro | China national standards | MT | 985.12 | USD | 20250925 |