1, (depending on the size) The basic material is made of 20-angle iron as a bracket,-(bone) 2. The surface decoration is made of heavy-duty benzene board (foam board), which is bonded and fixed with iron wire and coral reef glue (white latex),-(meat) 3. It is made of blades and hacksaw bars. Attention must be paid to fire safety during operation. If there is a light source, pay attention to channeling and heat dissipation.