| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250723 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250722 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250721 | |
| Shandong Huize Chem | Reagent Grade | MT | USD | 20250721 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250719 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250718 | |
| Shandong Huize Chem | Reagent Grade | MT | USD | 20250718 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250717 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250716 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250715 |
