| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1288.82 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1331.08 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1295.87 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 1169.1 | USD | 20251015 |
| Sinopec | China national standards | MT | 1211.35 | USD | 20251015 |
| CNPC | China national standards | MT | 1211.35 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1190.22 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1190.22 | USD | 20251015 |
| Nanjing Runsheng Petro | China national standards | MT | 985.98 | USD | 20251015 |
| Sinopec | China national standards | MT | 1246.11 | USD | 20251014 |