| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 832.39 | USD | 20251031 |
| Shandong Jinwen Chem | China national standards | MT | 790.07 | USD | 20251031 |
| Aite Zhejiang | China national standards | MT | 705.42 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 853.56 | USD | 20251031 |
| Nanjing Runsheng Petro | China national standards | MT | 761.85 | USD | 20251031 |
| Shandong Junfeng | China national standards | MT | 775.96 | USD | 20251031 |
| Shandong Yuanhe Chem | China national standards | MT | 909.99 | USD | 20251031 |
| Shandong Junfeng | China national standards | MT | 790.07 | USD | 20251031 |
| Shandong Yuanhe Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Shandong Yuanhe Chem | China national standards | MT | 909.99 | USD | 20251031 |