| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Hunan Jianghai Env | China national standards | MT | USD | 20250818 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250816 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250816 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250815 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250815 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250814 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250814 | |
| Hunan Jianghai Env | China national standards | MT | USD | 20250813 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250813 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250813 |
