| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 987.77 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 884.76 | USD | 20251103 |
| Shandong Shuojia Chem | China national standards | MT | 884.76 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 1157.1 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 884.76 | USD | 20251103 |
| Sinopec | China national standards | MT | 884.76 | USD | 20251103 |
| Shandong Shuojia Chem | China national standards | MT | 884.76 | USD | 20251103 |
| Sinopec | China national standards | MT | 1227.65 | USD | 20251103 |
| Shandong Shuojia Chem | China national standards | MT | 884.76 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1298.21 | USD | 20251103 |