| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 872.35 | USD | 20250901 |
| Shandong Qiangsen Chem | China national standards | MT | 886.43 | USD | 20250901 |
| Shandong Qiangsen Chem | China national standards | MT | 886.43 | USD | 20250901 |
| Shandong Fusheng | China national standards | MT | 886.43 | USD | 20250901 |
| Shandong Fusheng | China national standards | MT | 1097.48 | USD | 20250901 |
| Jiangsu Youlixin Chem | China national standards | MT | 1125.62 | USD | 20250901 |
| Jiangsu Youlixin Chem | China national standards | MT | 1097.48 | USD | 20250901 |
| Jiangsu Youlixin Chem | China national standards | MT | 1266.32 | USD | 20250901 |
| Qingdao Shengze Chem | China national standards | MT | 971.42 | USD | 20250831 |
| Qingdao Shengze Chem | China national standards | MT | 971.42 | USD | 20250831 |