| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1329.32 | USD | 20250929 |
| Shandong Yuhuang Chem | China national standards | MT | 1287.12 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 1195.68 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Xima | China national standards | MT | 970.61 | USD | 20250929 |
| Hubei 789 Chem | China national standards | MT | 1294.15 | USD | 20250929 |
| Beijing Yanshan Petro | China national standards | MT | 1216.78 | USD | 20250929 |
| Kunlun Daqing Petro | China national standards | MT | 1195.68 | USD | 20250929 |
| Shandong Qiangsen Chem | China national standards | MT | 1040.95 | USD | 20250929 |
| Changzhou Juyun Mat | China national standards | MT | 1350.42 | USD | 20250929 |