Yu Botou are porous drilling YDZ200 valve manufacturers, valve flange valve porous drilling machine tools for drilling machine is mainly used for various types of valve flange connection hole fast and efficient processing, it can also be used for other multi-faceted porous parts processing, such as auto parts, motor housing, etc. to complete a variety of different types of flange surface distribution holes (distributed regularly or irregularly distributed) multi-position while processing, can greatly improve the processing efficiency and reduce the number of clamping positioning