| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Fusheng | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Hongyang Chem | China national standards | MT | 668.48 | USD | 20250925 |
| Shandong Zhiheng | China national standards | MT | 633.29 | USD | 20250925 |