| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Qiangsen Chem | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Hongyang Chem | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Zhiheng | China national standards | MT | 1111.78 | USD | 20250925 |
| Beijing Yanshan Petro | China national standards | MT | 1111.78 | USD | 20250925 |
| Unknown | China national standards | MT | 1125.86 | USD | 20250924 |
| Jinan Xinbo Chem | China national standards | MT | 1125.86 | USD | 20250924 |
| Jinan Xinbo Chem | China national standards | MT | 1154.0 | USD | 20250924 |
| Shandong Jiaen Chem | China national standards | MT | 1090.67 | USD | 20250924 |
| Shandong Junfeng | China national standards | MT | 985.12 | USD | 20250924 |