| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 787.31 | USD | 20250919 |
| Weifang Mingbo Chem | China national standards | MT | 773.25 | USD | 20250919 |
| Guang Longyu Chem | China national standards | MT | 1335.62 | USD | 20250919 |
| Shandong Qiangsen Chem | China national standards | MT | 745.14 | USD | 20250919 |
| Shanghai Juexin | China national standards | MT | 1054.44 | USD | 20250919 |
| Shanghai Juexin | China national standards | MT | 1335.62 | USD | 20250919 |
| Shandong Wells Chem | China national standards | MT | 815.43 | USD | 20250919 |
| Tongling Jintai Chem | China national standards | MT | 801.37 | USD | 20250919 |
| Jinan Dezheng Chem | Industrial Grade | MT | 801.37 | USD | 20250919 |
| Shandong Wells Chem | China national standards | MT | 1012.26 | USD | 20250919 |