2011 New led ceiling light panel 20w 1.300*300mm, ... 000h lifespan 4.CE&ROH 2011 New led ceiling light panel 20w LED Panel Lighting seriesDescription The ... aluminium alloy construction and new material such as Light Guide Panel (LGP) with Nanophase Materials provides ... light effect widely used in home, hotel, hospital, mall, office, classroom and conference rooms (ceiling recessed, pendant, ceiling ...