| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 684.3 | USD | 20251121 |
| Changzhou Guoshun Chem | China national standards | MT | 1693.12 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Wonfull Petro | China national standards | MT | 719.58 | USD | 20251121 |
| Tangshan Huayi | China national standards | MT | 888.89 | USD | 20251121 |
| Zibo Qixiang Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Yushuo Chem | China national standards | MT | 776.01 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 747.8 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 761.9 | USD | 20251121 |