| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 946.47 | USD | 20251129 |
| Shandong Energy | China national standards | MT | 776.96 | USD | 20251129 |
| Luxi Chem | China national standards | MT | 1059.49 | USD | 20251129 |
| Shandong Yeyang Chem | China national standards | MT | 776.96 | USD | 20251129 |
| Luxi Chem | China national standards | MT | 713.39 | USD | 20251129 |
| Jinan Jiaxing Chem | China national standards | MT | 847.59 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1243.13 | USD | 20251129 |
| CNPC | China national standards | MT | 713.39 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 720.45 | USD | 20251129 |