| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1194.3 | USD | 20251210 |
| Sinopec | China national standards | MT | 1215.5 | USD | 20251210 |
| CNPC | China national standards | MT | 1215.5 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1173.1 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 1201.36 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 1222.56 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 1158.96 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 1158.96 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 1314.43 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1328.57 | USD | 20251210 |