1992 Establishment of Guangda Elevator Co.,Ltd
1996 Rename to Shanghai Sunny Elevator Co.,Ltd
2001 National Invention Patent for elevator light curtain series products
         Obtain Shanghai High-Tech Enterprise Reward
2002 Join the United States Elevator Association
         Obtain UL certification for elevator light curtain
2006  National Invention Patent for new safety edge link gear
2010 Obtain CE certification for elevator light curtain and photoelectric switch
         Obtain three national patents for wireless light curtain
         Obtain CCC certification for elevator light curtain
2014 World Leading Technology-Segment Light Curtain (Patent)
         Unique Design 2 in 1 Light Curtain (Patent)
2015 New Style Segment Light Curtain & Folding Light Curtain