| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Jinan Hongyi Bio | 24% | MT | USD | 20250728 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250726 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250725 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250724 | |
| 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 |
