Sales
. Tel: 010-58851119 82883230/31/32 82884189/90 
. E-mail sales@zhengrong.com.cn
Technique support
. Tel: 800-810-5877 
. E-mail support@zhengrong.com.cn
Customer service
. Tel: 010-58858295  
. E-mail customer@zhengrong.com.cn
Main office 
. Tel: 010-58851119 82883045/46 
. E-mail zhengrong@263.net 
Headquarter address 
. Room 202, Power Creative E,
. No.1 Shangdi East Road,Haidian District, Beijing, China 
. Zip: 100085

Branch
  Baotou Xinzheng fiber optic communication Co., Ltd