A professional manufacturer and exporter TPI TECH CO LIMITED founded in 2010. Located in Shenzhen, Guangdong province ,China . Mainly products  Projective Capacitive PCAP touch panel , Infrared IR touch overlay, SAW touch screen , touch monitor , all in one PC , from 7inch to 85inch . We no only provide reliable products ,but also  best service . Win-win is our aim to cooperate with you