| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 626.28 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 633.31 | USD | 20250930 |
| Sinopec | China national standards | MT | 633.31 | USD | 20250930 |
| Sinopec | China national standards | MT | 612.2 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 506.65 | USD | 20250930 |
| Shandong Mengkanda Chem | China national standards | MT | 534.8 | USD | 20250930 |
| Shandong Mengkanda Chem | China national standards | MT | 534.8 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 520.72 | USD | 20250930 |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.72 | USD | 20250930 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 675.53 | USD | 20250930 |