| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 815.88 | USD | 20250902 |
| Shandong Qiancheng | China national standards | MT | 844.21 | USD | 20250901 |
| Qingdao Shengze Chem | China national standards | MT | 816.07 | USD | 20250901 |
| Qingdao Shengze Chem | China national standards | MT | 816.07 | USD | 20250901 |
| Nanjing Baitu Chem | China national standards | MT | 844.21 | USD | 20250901 |
| Nanjing Baitu Chem | China national standards | MT | 844.21 | USD | 20250901 |
| Shandong Xingpeng Chem | China national standards | MT | 830.14 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 914.57 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 914.57 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 914.57 | USD | 20250901 |