Features:
--single side or double sides are available.
--aluminum frame in silver or black or other colors you like
--slim frame in thickness only 28mm
-- four sides can be opened to change the graphic printing easily
-- low power consumption that with LED light source
-- A0,A1,A2,A3,A4 etc.. Sizes are available, also design and make as customer's request.
-- standard Certificate for different markets all over the world.
--OEM is available.
Function: use for subway, station, trade center, bar, airport, library, market, amusement place, lift, office, bank, bus shelter, announce card,etc. To advertise or display more efficiently.