Electronic

Top-Touch has passed ISO9001:2008 Quality Management System Certificate in 2006 and  ISO14001 Environmental Management and obtained TS16949 certification in 2009. Top-Touch is the largest production capacity of resistive touch screen and surface acoustic wave touch screen in China.

Class 1000，10000 and 100000; 
temperature: 23±1℃; 
humidity: 55±5%.