| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 899.63 | USD | 20260311 |
| Chongqing Jianfeng Chem | China national standards | MT | 834.34 | USD | 20260311 |
| Shandong Shuntian Chem | China national standards | MT | 869.79 | USD | 20260310 |
| Shandong Hualu | China national standards | MT | 855.3 | USD | 20260310 |
| Shandong Hualu | China national standards | MT | 809.74 | USD | 20260309 |
| 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 |