| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 918.69 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 890.42 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 876.29 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1116.56 | USD | 20251210 |
| Shanghai Wanzhong | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 862.15 | USD | 20251210 |