1995 Constance Technology founded
1996~1997 First generation of touchscreen tester
Wireless handwriting input device
1998 Wireless handwriting input device with changeable pictures
2003~2004 Second generation of touchscreen tester
Resistive touch Controller
2005~2006 LCD signature capture device
Table top three-axis robot
2007 Floor top multi touchscreen tester
2008 Third generation touchscreen tester
Multi languages handwriting input device
2009 CNC high speed engraving machine
Resistive touch pad
2010 Capacitive touchscreen tester
Resistive multi touch touchscreen tester
2011~2012 Capacitive multi touch touchscreen tester
2013~2015 Optical collimator
2016~2018 120°line laser module adjusting machine
360°line laser module adjusting machine
Auto testing wires connecting terminal
2019~2020 Digital Collimator with software
2021~2023 Laser Levels Electronic Compensator