Mono-block Bridge Cutting Machine；YTQJ-600 uses PLC system and Human-machine interface, combined with Ultra-high precision rotary encoder to locate and infrared device, uses inverter to control left-right-feeding, adjust the speed according to the stone material, move-ment of forward-backward, left-right and up-down use linear slide, up-down lifting use ball lifting system, main spare parts adopt imported good-quality materials. Thus the whole machine is featured with high cutting efficiency, high cutting precision, high stability, easy-operating to suit granite and marble with high value and big size.