| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 797.02 | USD | 20260305 |
| Chongqing Jianfeng Chem | China national standards | MT | 803.32 | USD | 20260303 |
| Shandong Shuntian Chem | China national standards | MT | 808.83 | USD | 20260302 |
| Shandong Hualu | China national standards | MT | 778.12 | USD | 20260213 |
| Chongqing Jianfeng Chem | China national standards | MT | 777.46 | USD | 20260212 |
| Anhui Jinhe | China national standards | MT | 827.06 | USD | 20260209 |
| Anhui Jinhe | China national standards | MT | 826.51 | USD | 20260205 |
| Chongqing Jianfeng Chem | China national standards | MT | 783.38 | USD | 20260205 |
| Chongqing Jianfeng Chem | China national standards | MT | 782.96 | USD | 20260203 |
| Shandong Hualu | China national standards | MT | 774.8 | USD | 20260202 |