| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 973.81 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1298.41 | USD | 20251110 |
| Shandong Jinwen Chem | China national standards | MT | 1199.62 | USD | 20251110 |
| Shandong Zhiheng | China national standards | MT | 1171.39 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 903.24 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1333.69 | USD | 20251110 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.35 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1192.56 | USD | 20251110 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.37 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1192.56 | USD | 20251110 |