| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 777.4 | USD | 20251205 |
| Shandong Energy | China national standards | MT | 791.53 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Nanjing Runsheng Petro | China national standards | MT | 819.8 | USD | 20251205 |
| Luxi Chem | China national standards | MT | 890.47 | USD | 20251205 |
| CNPC | China national standards | MT | 805.67 | USD | 20251205 |
| Luxi Chem | China national standards | MT | 742.06 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 713.79 | USD | 20251205 |
| Shandong Mingyu | China national standards | MT | 925.81 | USD | 20251205 |
| Luxi Chem | China national standards | MT | 890.47 | USD | 20251205 |