Wholesale China Merchandise car brand logo light stainless steel logo sign for da yun dealer shop size from 28 inch ONLINE SERVICE SKYPE:luyanfeihelen Stainless steel Signs is the common type of illuminated signs; it can be very good to show the contours of the sign even in the night. Basically, light passes through the back of the sign causing it to light up at night. Found in 2005, Dragon Signs Technology Co.,LTD is specialized in manufacturing, designing and developing outdoor LED signs ,metal signs etc, we are a UL certifed sign manufacture in china.