| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 802.17 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 759.95 | USD | 20250924 |
| Sinopec | China national standards | MT | 774.03 | USD | 20250924 |
| Shandong Energy | China national standards | MT | 788.1 | USD | 20250924 |
| Shandong Yeyang Chem | China national standards | MT | 774.03 | USD | 20250924 |
| CNPC | China national standards | MT | 802.17 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 1020.31 | USD | 20250924 |
| Shaanxi Petro Yanan | China national standards | MT | 1059.71 | USD | 20250924 |
| Lihuayi Shandong | China national standards | MT | 956.98 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 956.98 | USD | 20250924 |