... price.hot sale COB ceiling lamp for showroom.commercial COB showroom LED ceiling lamp,round COB showroom LED ceiling lampCE&ROHS approval, ... 2012 new design COB showroom LED ceiling lamp.Hot sale moving head showroom LED ceiling lamp Working Voltage AC80-260V, 50 ... ,different chips with different price Showroom LED Ceiling Lamp Application:Indoor ceiling in the office,house,exhibition,museum,aisle, ...