... manufacture advertising equipment such as light box,showcase,sign panel,display rack,booth and so on. We ... ,airport and so on.As light box or sign is available.Product specification Frame:stronger,thicker,1 ... them are over 1500 lumen on the advertising/sign screen Front panel:pc board,hard to be broken, ... steel/ fluorine carbon alloy tube. Light box Open type:door-open type,easy to change the light and ...