| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 907.36 | USD | 20251106 |
| Sinopec | China national standards | MT | 994.85 | USD | 20251106 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.13 | USD | 20251106 |
| Beijing Yanshan Petro | China national standards | MT | 907.36 | USD | 20251106 |
| Jinan Angxin Chem | China national standards | MT | 945.46 | USD | 20251106 |
| Beijing Yanshan Petro | China national standards | MT | 1171.24 | USD | 20251106 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.91 | USD | 20251106 |
| Shandong Langchem | China national standards | MT | 1128.91 | USD | 20251106 |
| Beijing Yanshan Petro | China national standards | MT | 889.01 | USD | 20251106 |
| Shandong Jiaen Chem | China national standards | MT | 1093.63 | USD | 20251106 |