| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Jinwen Chem | China national standards | MT | 1197.07 | USD | 20251013 |
| Shandong Yuhuang Chem | China national standards | MT | 1288.61 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1330.85 | USD | 20251013 |
| Shandong Langchem | China national standards | MT | 1295.65 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 1168.9 | USD | 20251013 |
| CNPC | China national standards | MT | 1211.15 | USD | 20251013 |
| Sinopec | China national standards | MT | 1211.15 | USD | 20251013 |
| Kunlun Daqing Petro | China national standards | MT | 1197.07 | USD | 20251013 |
| Beijing Yanshan Petro | China national standards | MT | 1218.19 | USD | 20251013 |