| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Lianhai Bio | China national standards | MT | 748.0 | USD | 20251118 |
| Yankuang Guotai Chem | China national standards | MT | 832.67 | USD | 20251118 |
| Nanjing Runsheng Petro | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 748.0 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 635.09 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 748.0 | USD | 20251118 |
| Jinan Angxin Chem | China national standards | MT | 719.77 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 748.0 | USD | 20251118 |
| JIN Yimeng | China national standards | MT | 846.79 | USD | 20251118 |