| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 907.27 | USD | 20251119 |
| Beijing Yanshan Petro | China national standards | MT | 917.15 | USD | 20251119 |
| Sinopec | China national standards | MT | 994.75 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1114.69 | USD | 20251119 |
| Shandong Shuojia Chem | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Zhiheng | China national standards | MT | 907.27 | USD | 20251119 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.15 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1107.63 | USD | 20251119 |
| Shandong Xima | China national standards | MT | 888.93 | USD | 20251119 |