| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 831.04 | USD | 20251015 |
| JIN Yimeng | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Jinwen Chem | China national standards | MT | 788.79 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 852.17 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 866.26 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 704.27 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 704.27 | USD | 20251015 |
| Nanjing Runsheng Petro | China national standards | MT | 760.62 | USD | 20251015 |
| Nanjing Runsheng Petro | China national standards | MT | 760.62 | USD | 20251015 |
| Nanjing Runsheng Petro | China national standards | MT | 760.62 | USD | 20251015 |