| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 907.36 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1107.74 | USD | 20251113 |
| Qingdao Shengze Chem | China national standards | MT | 874.9 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1114.8 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1100.68 | USD | 20251113 |
| Hubei 789 Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 1171.24 | USD | 20251113 |
| Shandong Zhiheng | China national standards | MT | 907.36 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1114.8 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1128.91 | USD | 20251113 |