A small part of the birch wood classroom furniture has a thickness of 5mm backboard, and a small amount of Medium Density Fiberboard has a thickness of 9mm, 12mm, and 15mm.the materials are Environmentally and safety for school children
A small part of the birch wood classroom furniture has a thickness of 5mm backboard, and a small amount of Medium Density Fiberboard has a thickness of 9mm, 12mm, and 15mm.the materials are Environmentally and safety for school children
