investor contact
| phone | 4000-300655 |
| investor relations | 15000 300655 |
| securities division | email：ir@jingrui-chem.com.cn |
| securities division | phone：0512-66037938 |
all rights： crystal clear electronic material co.,ltd.
technical：
hotline：4000-300655
address：168 shanfeng road, wuzhong district, suzhou
all rights：crystal clear electronic material co.,ltd.
technical：
