| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Baoxin Tech | China national standards | MT | 137.86 | USD | 20250918 |
| Shanghai Guoke | China national standards | MT | 123.8 | USD | 20250918 |
| Shandong Laya Chem | Reagent Grade | MT | 57.68 | USD | 20250918 |
| Henan Leavit Chem | China national standards | MT | 109.73 | USD | 20250918 |
| Shandong Laya Chem | Reagent Grade | MT | 57.72 | USD | 20250916 |
| Hunan Jianghai Env | China national standards | MT | 535.01 | USD | 20250916 |
| Hunan Jianghai Env | China national standards | MT | 123.9 | USD | 20250916 |
| Shandong Huize Chem | Reagent Grade | MT | 107.0 | USD | 20250916 |
| Shandong Qiangsen Chem | China national standards | MT | 102.78 | USD | 20250916 |
| Shandong Laya Chem | Reagent Grade | MT | 57.7 | USD | 20250915 |