... 3.Easy to use and move 4.wood floor polishing machine wood floor polishing machine (PM300B),floor sanding machine,floor polisher,automatic ... reliable,high efficiency,high speed,low noise,margine-grinding,margine-polishing and absorbing the wood wool,no pollution,and scope ... .Operating easily ,safe and reliable,being equipped with emery cloth,the machine can be operated just standing-up,don't ...