Step and order light theater LED stair lamp aluminum D24 lamp lamp step step step by Chinese small theater lighting spark R & D, inspection under the Yellow Dianguang home theater, familiar with the inspection, the theater step step lamp Aluminum Alloy LED lamp 90MM ultra wide stair tread at 31 Aluminum Alloy corrugated slip slip a large number two position assured, find a easy, anti burning flame retardant plastic plug at ease, large inventories, easy to customize the production cycle is short, reasonable price.