DB100 is a scientific printing and coating equipment based on high-precision pneumatic control technique. The equipment integrate a variety printing crafts such as planar direct writing, pneumatic extrusion 3D printing, slit coating, etc. ,which can realize the preparation or combination preparation of three-dimensional structures or 2D patterns such as point, line and plane on a variety of flexible and rigid substrate surfaces. In addition,DB100 is equipped with high precision industrial mechanical structure and hardware control system, Combined with self-developed software and multi-specification accessories，which can realize the printing of various materials with different requirements, and can be widely used in R&D and production in many fields