| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 607.4 | USD | 20251202 |
| CNOOC | China national standards | MT | 565.02 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 635.65 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 621.52 | USD | 20251202 |
| CNOOC | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 508.52 | USD | 20251202 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.02 | USD | 20251202 |
| CNPC | China national standards | MT | 637.06 | USD | 20251202 |
| Shanghai Guoke | China national standards | MT | 670.96 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.02 | USD | 20251202 |