Composition：

• outline board：4000*1370
• retaining plate：2360*1220
• removing plate：1750*1220
• electric plate：1745*1275*50
• border：electrophoresis aluminum side of champagne color
• faceplate：entrance resin whiteboard deep/0.3；plywood：prevent burning，prevent deformation，high density extruded sheet board，deep22；back veneer：galvanized sheet，deep/0.3

Requirement of production function：

The blackboard is a multipurpose board，which is specialized for electronic whiteboard。Not only can be written  on blackboard ，but also can teach with electronic whiteboard。Have retaining board and removing board。

Material of products：

1. faceplate：paint green plate
2. plywood：AB ridging censored the cardboard
3. back veneer：galvanized steel sheet
4. border：top grade electrophoresis LK alloy
5. pully：sealed bearing
6. meet dust box：mosaic
7. prevent dust device：automatic hairbrush of pushing and pulling
8. corner：high strength engineering plastic