· It is used for punching, drilling and numbering of power transmission towers, communication towers or connecting plates in steel structure processing and other flat materials in machinery and chemical industry.It is composed of main machine, X,Y-axis table, hydraulic system, electrical control system, drilling unit, etc.· It is mainly applied to punching, drilling and typing of connecting plates in the industries of pylons and steel structures, and to punching, drilling and typing of metal plates in other industries.