| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250812 | |
| Hunan Jianghai Env | China national standards | MT | USD | 20250812 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250811 | |
| Hunan Jianghai Env | China national standards | MT | USD | 20250811 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250809 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250808 | |
| Hunan Jianghai Env | China national standards | MT | USD | 20250808 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250807 | |
| Shandong Huize Chem | Reagent Grade | MT | USD | 20250807 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250806 |
