| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1107.43 | USD | 20251104 |
| Beijing Yanshan Petro | China national standards | MT | 987.51 | USD | 20251104 |
| Beijing Yanshan Petro | China national standards | MT | 916.98 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1114.48 | USD | 20251104 |
| Beijing Yanshan Petro | China national standards | MT | 907.1 | USD | 20251104 |
| Shandong Qiangsen Chem | China national standards | MT | 931.09 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 907.1 | USD | 20251104 |
| Shandong Xima | China national standards | MT | 888.76 | USD | 20251104 |
| Unknown | China national standards | MT | 902.87 | USD | 20251104 |