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Our Clients
 

Nokia (China) Investment Co., Ltd

 

Australia Thomson Perret Pty Ltd

 

LG Electronics (China) Co., Ltd

 

China National Petroleum Company

 

Pepsi-Cola Beverage Co., Ltd

 
HITACHI Control System Co., Ltd
 

Tsinghua Tongfang Company Ltd

 

China Securities Inspecition Admin

 

Heller Ehrman White&McAuliffe

 

Beijing Huahong IC Design Limited


 
   Contact Us

Beijing Headquarters
Add: Rm. 427/428, Beiqingyuan Office Building,No.2, Zuojiazhang Beili, Chaoyang District, Beijing, P.R.C. 
Post code: 100028
Tel: + 86-10-65422891
24 hours service line: + 86-13910387265
E-mail: yjj@yjjfy.com
Website: http://www.yjjfy.com

America Office
Add: 5416 Lenore Ave, Livermore, CA 94550, USA
Tel: 001-408-3936238
E-mail: Georechen08@163.com
Attn: George Chen

 




Beijing Headquarters      
  America Office
Tel: + 86-10-65422891
  Tel: 001-408-3936238
Email: yjj@yjjfy.com  
  Email : Georgechen08@yahoo.com
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