| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1298.65 | USD | 20251029 |
| Shandong Langchem | China national standards | MT | 1333.94 | USD | 20251029 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.59 | USD | 20251029 |
| Shandong Jinwen Chem | China national standards | MT | 1199.84 | USD | 20251029 |
| Shandong Laya Chem | China national standards | MT | 973.98 | USD | 20251029 |
| Nanjing Runsheng Petro | China national standards | MT | 903.41 | USD | 20251029 |
| Beijing Yanshan Petro | China national standards | MT | 1221.01 | USD | 20251029 |
| Kunlun Daqing Petro | China national standards | MT | 1199.84 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1171.6 | USD | 20251029 |