| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1230.8 | USD | 20251211 |
| Lihuayi Shandong | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1174.21 | USD | 20251211 |
| CNPC | China national standards | MT | 1216.65 | USD | 20251211 |
| Sinopec | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1195.43 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1195.43 | USD | 20251211 |
| Shandong Yuhuang Chem | China national standards | MT | 898.34 | USD | 20251211 |
| Shandong Yuhuang Chem | China national standards | MT | 898.34 | USD | 20251211 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1329.82 | USD | 20251211 |