... /T,L/C,D/P 4,ISO,IEC,CE,GB 5,Professional production team Metal box,switch box ,knockout box,electrical equipment boxWe are ... a professional manufacturer of metal box,switch box , and other hardware accessories. 1.Material is ... iron2.1 Gang 16mm K/ O Galv;3.Thickness: 0.6mm/0.7mm/0.8mm and1.0mm.4.MOQ ...