| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 712.71 | USD | 20251118 |
| CNPC | China national standards | MT | 712.71 | USD | 20251118 |
| Shandong Energy | China national standards | MT | 1016.15 | USD | 20251118 |
| Shandong Laya Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Luxi Chem | China national standards | MT | 733.88 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 748.0 | USD | 20251118 |
| Wuhan Hengjiu Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shaanxi Petro Yanan | China national standards | MT | 687.31 | USD | 20251118 |
| Shandong Xingpeng Chem | China national standards | MT | 733.88 | USD | 20251118 |
| Luxi Chem | China national standards | MT | 712.71 | USD | 20251118 |