| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1029.55 | USD | 20251120 |
| Shandong Yushuo Chem | China national standards | MT | 902.62 | USD | 20251120 |
| Zibo Lishuo Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Sinopec | China national standards | MT | 902.62 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 1198.79 | USD | 20251120 |
| Sinopec | China national standards | MT | 898.39 | USD | 20251120 |
| Lihuayi Shandong | China national standards | MT | 1382.13 | USD | 20251120 |
| Sinopec | China national standards | MT | 902.62 | USD | 20251120 |
| Hubei 789 Chem | China national standards | MT | 1297.51 | USD | 20251120 |
| Beijing Yanshan Petro | China national standards | MT | 930.82 | USD | 20251120 |