| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1053.02 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Sinopec | China national standards | MT | 848.07 | USD | 20251205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 848.07 | USD | 20251205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 876.34 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 1102.49 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 918.74 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 1031.82 | USD | 20251205 |
| Changzhou Jiaye Chem | China national standards | MT | 1667.87 | USD | 20251205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 876.34 | USD | 20251205 |