| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1157.28 | USD | 20251028 |
| Lihuayi Shandong | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Junfeng | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Laya Chem | China national standards | MT | 973.81 | USD | 20251028 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.35 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1333.69 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1298.41 | USD | 20251028 |
| Shandong Jinwen Chem | China national standards | MT | 1199.62 | USD | 20251028 |
| Shandong Xima | China national standards | MT | 973.81 | USD | 20251028 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.37 | USD | 20251028 |