Dalian North Education Equipment Co.,Ltd.
Add：Chaan Sifang Garden Hongqi Street Ganjingzi District Dalian
Tel：0411-84280169 84280302
Fax：0411-84280169
Http://www.dsa.com.cn
E-mail:dsa@dalian.cngb.com
Shenzheng Office
Add：Xinanhu Garden Baoan 8th.District Shenzhen
Tel：0755-27752030 13501597697
Beijing Office
Add：Anzhenli Chaoyang District Beijing
Tel：010-64426360 13504117035
Hefei Office
Add：Anju Garden Hefei
Tel：0551-5578668 13905514692