... patent at design, patent number ZL200920133615.6LED Writing Board / LED writing Sign / Sparkle Board is an ILLUMINATED REWARITEBLE SIGN BOARD ... Promotions, Special Events, Discount Sales, New Product Releases, Stock Clearance Sales, Price Lists, In fact for any information you wish ... in dazzling, illuminated, Erasable, Rewriteble...We manufacture 5 series LED Menu board as bellow:A series: This is our ...