Guoxin Corporation is a professional company major in researching and manufacturing mobile communication products. It is invested about 50 million RMB in total and has employees more than 300 including 8 doctors and 22 senior engineers, the technical takes 33% in the total employees. The manufacturing workshop covers an area of more than 20 thousand square meters in Zhangjiagang and Nanjin, the production and research are strictly according to the ISO9001 Quality Management System.