PSK Sci-Tech Development Co.,LTD.

     No.18 Xingyun Rd,Guangzhou,Guangdong,China

     Postcode: 510640

     Tel:  +86 20 33101011    

     Fax: +86 20 34627780        

     E-mail: gzgznet@gmail.com     

     Website: www.secp.cn