... 2002, and mainly manufacture garage door openers, rolling door openers, sliding gate openers and door components.100% of our ... approval (LVD, EMC, RTTE).Function of garage door openers Multi opening ways Electronic limit switches ... Styles Of Door Openers:CE Certificates: Garage door operator,CE/ROHS chain drive section garage door opener ,Sectional garage door opener,door motor,roll up garage door