| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 972.82 | USD | 20251024 |
| Shandong Qiangsen Chem | China national standards | MT | 1043.31 | USD | 20251024 |
| Beijing Yanshan Petro | China national standards | MT | 1219.55 | USD | 20251024 |
| Shandong Yeyang Chem | China national standards | MT | 1198.4 | USD | 20251024 |
| Shandong Jinwen Chem | China national standards | MT | 1198.4 | USD | 20251024 |
| Shandong Yuhuang Chem | China national standards | MT | 1290.04 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1332.34 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1297.09 | USD | 20251024 |
| Beijing Yanshan Petro | China national standards | MT | 1156.1 | USD | 20251024 |
| Shandong Junfeng | China national standards | MT | 986.92 | USD | 20251024 |