| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 908.8 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 908.8 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 1173.1 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.96 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.96 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 1173.1 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1130.69 | USD | 20251210 |