| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chem | China national standards | MT | 706.62 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Yushuo Chem | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.69 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Wonfull Petro | China national standards | MT | 741.96 | USD | 20251201 |
| Shijiaz Bailong Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Jinan Jinhao Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Xiangfen Longteng | China national standards | MT | 847.95 | USD | 20251201 |