| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chem | China national standards | MT | 675.51 | USD | 20250925 |
| Shandong Yihe Chem | China national standards | MT | 527.75 | USD | 20250925 |
| Shandong Yihe Chem | China national standards | MT | 534.78 | USD | 20250925 |
| Nanjing Baitu Chem | China national standards | MT | 619.22 | USD | 20250925 |
| Nanjing Baitu Chem | China national standards | MT | 619.22 | USD | 20250925 |
| Shandong Jinwen Chem | China national standards | MT | 506.64 | USD | 20250925 |
| Shandong Qiangsen Chem | China national standards | MT | 506.64 | USD | 20250925 |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.71 | USD | 20250925 |
| Beijing Yanshan Petro | China national standards | MT | 520.71 | USD | 20250925 |
| Shandong Fusheng | China national standards | MT | 703.66 | USD | 20250925 |