| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 888.51 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1114.17 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 930.82 | USD | 20251120 |
| Sinopec | China national standards | MT | 888.51 | USD | 20251120 |
| Shandong Junfeng | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 1100.06 | USD | 20251120 |
| Shiyou Yangzhou Chem | China national standards | MT | 888.51 | USD | 20251120 |
| Beijing Yanshan Petro | China national standards | MT | 1198.79 | USD | 20251120 |
| Shandong Jiaen Chem | China national standards | MT | 951.98 | USD | 20251120 |
| Beijing Yanshan Petro | China national standards | MT | 987.24 | USD | 20251120 |