| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 621.76 | USD | 20260309 |
| Shandong Hualu | Industrial Grade | MT | 608.63 | USD | 20260305 |
| Shandong Hualu | Industrial Grade | MT | 578.67 | USD | 20260304 |
| Lihuayi Weiyuan Chem | China national standards | MT | 542.5 | USD | 20260304 |
| Lihuayi Weiyuan Chem | China national standards | MT | 528.31 | USD | 20260303 |
| Lihuayi Weiyuan Chem | China national standards | MT | 505.58 | USD | 20260227 |
| Lihuayi Weiyuan Chem | China national standards | MT | 491.13 | USD | 20260226 |
| Shandong Hualu | Industrial Grade | MT | 560.43 | USD | 20260206 |
| Heze Zhuohang | China national standards | MT | 516.54 | USD | 20260202 |
| Shandong Hualu | Industrial Grade | MT | 544.76 | USD | 20260128 |