1.2 Fixed blackboard at the back of classroom

★The frame uses 1.0mm thickness of luxury electrophoresis aluminum, Green board is dark green metal lacquered writing board, board thickness 0.27mm, hardness 8H, easy wiping, good magnetic absorption, opaque, protect students eyes. The middle layer with multilayer corrugated paper, good elasticity, comfortable writing; the back board with 0.21mm thick high quality galvanized plate to prevent the black board from out of shape; Strong adhesive, the plate will not come unglued, no bubbles.

★The size of side frame: 30×18 (face size), electrophoresis aluminum, beautiful looking, the hardness of aluminum 14HRC.

★Overall size 1200 height x 4000 length (the size can be custom-made as per the classroom size). The total design is reasonable, durable, elastic, and comfortable in writing.