TSH (GUANGZHOU) TECH. DEVELOPMENT CO., LTD has been founded in 1999 with a history of 17 years old, which has been built her branch offices in Hong Kong, Beijing, Tianjin & Wuhan with Guangzhou its headquarter. There are 10 departemts such as International Business Dept., Sales & Marketing Dept., Technology Dept., Customer Service Dept., etc. Our Vision is to be China's leading telecommunication system and testing solutions golden supplier, who implements and enables optimal performance and superior value for our honorable domestic and overseas customers.