| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 747.8 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 761.9 | USD | 20251121 |
| JIN Yimeng | China national standards | MT | 705.47 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 790.12 | USD | 20251121 |
| Nanjing Runsheng Petro | China national standards | MT | 719.58 | USD | 20251121 |
| Nanjing Runsheng Petro | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Junfeng | China national standards | MT | 776.01 | USD | 20251121 |
| Shandong Junfeng | China national standards | MT | 790.12 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 853.62 | USD | 20251121 |