The mortise and groove process is made of plastic or high-grade wood, which has the characteristics of hard texture and toughness. The construction principle of the mortise and groove process is through a number of wood strips processed by unique technology, without external auxiliary conditions such as nails, rivets and any adhesives or any means, but the use of the mutual combination of the mortise and groove itself, so as to form different shapes from different angles and different directions. For more details 