| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 776.12 | USD | 20251106 |
| Zibo Lishuo Chem | China national standards | MT | 818.46 | USD | 20251106 |
| Shandong Qiangsen Chem | China national standards | MT | 804.35 | USD | 20251106 |
| Shandong Yushuo Chem | China national standards | MT | 747.9 | USD | 20251106 |
| Jinan Jinrihe Chem | China national standards | MT | 691.46 | USD | 20251106 |
| Tangshan Huayi | China national standards | MT | 889.01 | USD | 20251106 |
| Shandong Jinshenrun Chem | China national standards | MT | 705.57 | USD | 20251106 |
| Jinan Jinrihe Chem | China national standards | MT | 691.46 | USD | 20251106 |
| Shandong Wonfull Petro | China national standards | MT | 825.09 | USD | 20251105 |
| Jinan Angxin Chem | China national standards | MT | 825.09 | USD | 20251105 |