| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 601.13 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.19 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 635.09 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 635.09 | USD | 20251110 |
| Shandong Yihe Chem | China national standards | MT | 536.3 | USD | 20251110 |
| Shandong Yihe Chem | China national standards | MT | 515.13 | USD | 20251110 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 677.43 | USD | 20251110 |
| Shandong Zhenkun | China national standards | MT | 606.86 | USD | 20251110 |
| Shandong Zhenkun | China national standards | MT | 606.86 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 592.05 | USD | 20251110 |