According to the cutting requirements can be used domestic high-quality tool steel plate, Japanese special steel plate, German special steel plate production of different types of substrate, its structure can be designed into the form of silencing, surface coating, etc., to reduce friction heat, increase the stability of the saw body, reduce the noise when cutting. Applicable equipment: domestic and foreign general woodworking machinery equipment and special equipment, portable equipment cutting materials: logs, wood products, bamboo products and other materials.