| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 945.85 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Hanyue Chem | China national standards | MT | 705.86 | USD | 20251107 |
| Shandong Wonfull Petro | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong QiFa Chem | China national standards | MT | 889.38 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 847.03 | USD | 20251107 |
| Zibo Qixiang Chem | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Hanyue Chem | China national standards | MT | 705.86 | USD | 20251107 |
| Zibo Lishuo Chem | China national standards | MT | 818.79 | USD | 20251107 |
| Shandong Jinshenrun Chem | China national standards | MT | 755.27 | USD | 20251107 |