| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 785.18 | USD | 20250823 |
| Shandong Yeyang Chem | China national standards | MT | 771.16 | USD | 20250823 |
| Shandong Xingpeng Chem | China national standards | MT | 785.18 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 792.19 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 792.19 | USD | 20250822 |
| Shandong Qiancheng | China national standards | MT | 841.27 | USD | 20250822 |
| Nanjing Baitu Chem | China national standards | MT | 841.27 | USD | 20250822 |
| Nanjing Baitu Chem | China national standards | MT | 841.27 | USD | 20250822 |
| Zibo Lishuo Chem | China national standards | MT | 911.37 | USD | 20250822 |
| Zibo Lishuo Chem | China national standards | MT | 911.37 | USD | 20250822 |