| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1171.08 | USD | 20251121 |
| Shandong Junfeng | China national standards | MT | 1058.2 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 907.23 | USD | 20251121 |
| Jinan Jinhao Chem | China national standards | MT | 1241.62 | USD | 20251121 |
| Beijing Yanshan Petro | China national standards | MT | 907.23 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 1100.53 | USD | 20251121 |
| Zibo Jinshuo Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Beijing Yanshan Petro | China national standards | MT | 1058.2 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1100.53 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1128.75 | USD | 20251121 |