Flat surface, seamless splicing, one-click switching from ordinary chalk writing blackboard to intelligent interactive blackboard Outdoor Digital Advertising Display Screens, Signage Floor Stand , Wall Digital Signage , Street Advertising Screens ,Digital Menu Board Hardware . We welcome new and old shoppers to make contact with us by telephone or mail us inquiries by mail for foreseeable future company associations and attaining mutual achievements. The product will supply to all over the world, such as Europe, America, Australia,Houston, US,Bogota, Borussia Dortmund.Using the kiosk ordering system, you can have the "four provinces" function