| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 2145.2 | USD | 20250818 |
| Jiangsu Huachang Chem | China national standards | MT | 2145.2 | USD | 20250818 |
| Shandong Qiangsen Chem | China national standards | MT | 813.21 | USD | 20250818 |
| Aite Zhejiang | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Yeyang Chem | China national standards | MT | 771.15 | USD | 20250818 |
| Nanjing Baitu Chem | China national standards | MT | 841.26 | USD | 20250818 |
| Nanjing Baitu Chem | China national standards | MT | 841.26 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 819.66 | USD | 20250817 |
| Qingdao Shengze Chem | China national standards | MT | 819.66 | USD | 20250817 |
| Shandong Xingpeng Chem | China national standards | MT | 784.63 | USD | 20250817 |