| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250821 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250821 | |
| Hunan Jianghai Env | China national standards | MT | USD | 20250821 | |
| Hunan Jianghai Env | China national standards | MT | USD | 20250820 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250820 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250820 | |
| Hunan Jianghai Env | China national standards | MT | USD | 20250819 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250819 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250818 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250818 |