The Z20 series full-method straight-arm rock drilling rigs are available in 3 models according to different user needs: Z20 ordinary type, Z20A (with hanging basket), and Z20E (computer version), for users to choose from according to different working conditions. It is a special rock drilling equipment specially developed and manufactured for medium and large tunnel excavation and drilling operations such as high-speed rail, water conservancy and hydropower projects, and national defense. It can meet the needs of various blast holes, anchor holes, small conduit support, etc. for rock drilling and excavation. Grouting holes, etc.