World Wide headquarter and Sales

Beijing SBT RUYAN technology & Development Co., Ltd

Address: 11F Xincheng Commercial Building, No.11 Chongwenmenwai Street
　 　　　Beijing, China, 100062
Tel: 86 10 67083396 Ext. 1040/1041/1084/
Fax: 86 10 67083075
Email: ruyanimd@126.com

Hong Kong Administrative
Dragonite International Limited

Address: 15/F, Hong Kong and Macau Building
　 　　　Nos. 156-157 Connaught Road Central
　　 　　Hong Kong