Beijing Rongrui-Century Science & Technology Co., Ltd.
E-mail：michael.zhang@reswell.com.cn andjasen.zhang@r-rui.com
Website: www.r-rui.com
Tel：010-51658220
Fax：010-58711218
Mobile：（86）133 1120 5721
Whatsapp: (86) 189 1014 6361
Add：Address: 3rd Floor west zone, Building 1,No.7 Fengxian Middle Road, Haidian District, Beijing, China 100094