1. Tools: spirit level, electric screwdriver, nail gun, ruler, drill bit, several metal screws and cement nails.

2. Set the length of the hanging metal fixing device according to the size requirements of the room and bookshelf. A supporting metal cantilever with a width of 30-40cm. According to the width of the bookshelf, the laminated board can be cut, and the thickness of density board, joinery board and composite board can be 1 cm with wood grain veneer.

3. The wall of the wall-mounted bookshelf should be flat, measure the distance with a ruler, and mark the location where the metal fittings are installed. The span should not exceed 150 cm to avoid bending. Fix the cement nail on the wall with a nail gun, install metal fittings to ensure that it is horizontal and vertical, and fix the other end.

4. Fix other metal fittings in the same way, paying attention to the level and span.

5, when installing cantilever bracket, also should pay attention to the levelness and firmness. Place laminates and books.

6. It is easy for a book to fall sideways on the front. Some baffles can be placed at one end of the bookshelf without fixing, so that books can be better placed.