Luxury sliding board size, the ball can also be customized according to customer Board: The South Korean Pohang quality green board, no seams, attached to the surface of dark green, no cracks, no flow marks, no defects such as bubbles, delicate flat, writing fluency, writing clear, No left after wiping, abrasion, corrosion, soft colors, stylish appearance, the students can be any normal viewing angle, excellent visual effects, effective protection of the student's visual health. Border: inside and outside the box are made of high strength aluminum alloy for industrial use electrophoresis, ABS corners packet bit circular structure, wear resistance, tensile strength, deformation, durable and attractive appearance. Sandwich: The hard material of high strength plate, galvanized sheet imported back, the high pressure bonded seal made of special glue, solid structure, good flexibility, corrosion resistance , Impact resistance, to keep writing even. Structure: the use of special hidden sliding slot, concealed sprocket, seamless integration with the traditional teaching mode, students in all parts of the classroom to facilitate viewing. Function: to install electronic whiteboards, teaching writing in the traditional when no longer board and switch back and forth between the interactive whiteboard, saving time and effort. Bracket: Configuring wide chalk tank, to prevent secondary pollution of dust, easy to clean, you can also place the chalk, eraser, easy to apply. Installation: beautiful fashion. Used for school classrooms, multimedia classrooms, a library, a large reading room Services: this product is the production, sales, installation service, customers can follow the installation diagram provided with the product, install, also installed by our factory employees home. Warranty: Steel plate surface warranty of three years, new composite board warranty for ten years.