President/General Manager：Li Guoping
Director/Vice President：Liang Yongti

URL：www.dong-jie.com

E-MAIL：dongjie1999@yahoo.com.cn　　dj2005@188.com

　　　 djkj@21cn.com(The Science and Technology Branch)

TEL：86-20-22962939　86-20-86808448(The Science and Technology Branch)

FAX：86-20-22962938　86-20-86859216(The Science and Technology Branch)

Address：Pingshan Private Industry Park No 16, Huashan Town, Huadu District,

Guangzhou, China