Common man-made plank are grain board, plywood, joinery board, chipboard, medium density fiberboard, etc. He sweet board He sweet board using MDI adhesive does not produce formaldehyde pollution. plywood Plywood is often used to make bending deformation of furniture, because of the relatively large amount of plastic, plywood formaldehyde content is difficult to control. Joinery board Joinery board performance is sometimes influenced by board core material. Particle board Particieboard appear on the market of wood particle board is actually particieboard.The quality of the particleboard has been recognised by the public. In fiber board Medium density fiberboard (MDF), has the good plasticity can be used for carving. Board type furniture common facing materials are two sub-companies named seaport, melamine veneer, wood grain paper, PVC plastic board, polyester paint, etc.After three facing such is typically used for furniture, and natural wood veneer is used for high grade product. Composite sandwich plate Belongs to the high cost of material, is made up of six to eight layer 3 mm thick plate compression, and has the waterproof, resistance to deformation, and so on.