| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Hongyi Bio | 24% | MT | 32.23 | USD | 20250805 |
| Shandong Qiangsen Chem | China national standards | MT | 102.25 | USD | 20250804 |
| Shandong Qiangsen Chem | China national standards | MT | 102.1 | USD | 20250802 |
| Shandong Qiangsen Chem | China national standards | MT | 102.1 | USD | 20250801 |
| Shandong Qiangsen Chem | China national standards | MT | 102.11 | USD | 20250731 |
| Shandong Qiangsen Chem | China national standards | MT | 102.18 | USD | 20250730 |
| Shandong Qiangsen Chem | China national standards | MT | 102.08 | USD | 20250729 |
| Jinan Hongyi Bio | 24% | MT | 39.18 | USD | 20250728 |
| Shandong Qiangsen Chem | China national standards | MT | 102.15 | USD | 20250728 |
| Shandong Huize Chem | Reagent Grade | MT | 106.34 | USD | 20250728 |