December 2016， Move to new address,factory expanded to 25300m2.
July 2013， Successful made numerical control switch after several repair.
April 2008， Added foot switch and signal light production line.
March 2005， "Expand factory area to 16500m2 and added connector production line."
November 2004， Passed Rohs certification for band switch SR26.
November 2003， Won Zhejiang market’s customer trust products" and “ Star enterprise of the year”
June 2003 "Got export license and start export business." .
May 2003 Won"National potentiometer top ten brands".
June 2000， Passed CQC certifiaction and Rohs certification for knob.
April 2000 Passed ISO9001 quality management system certification..
July 1998， Renamed Yueqing Ruitai Electronics Co., Ltd. who added switch and knob production line.
May 1993， Renamed Yueqing DengYu Potentieometer Factory and registered trademarks "dy".
August 1985， A new company called Yueqing Electronic Components Factory was founded.