| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 830.34 | USD | 20250930 |
| Shandong Yuxuan Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Luxi Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Mingyu | China national standards | MT | 1020.34 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 823.31 | USD | 20250930 |
| Qingdao Shengze Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 816.27 | USD | 20250930 |