Product Description 1.The floor grinder could be operate by remote and ride-on for reducing the labor cost and increasing the efficiency 2.According to the needs of the grinding, the grinder could be adjusted at a fixed speed to do polishing and grinding for reaching much better dedicate and smooth surface by constant speed. 3,Connecting an industrial vacuum with the grinder,both vacuum and grinder could work together by one worker for reducing the labor cost and save time. Applicaion 1,Floor industary:epoxy,wear-resistant floor,curing floor,penetrating floor,artistic floor,etc. 2,Stone industry:polising and maintenance for various tones such as marble,granite,etc Warranty gearbox,inverter,motor can be changed within one mouth if it has any problem(non-human) Wearing parts like water swith ,frame,handle bar,plate and so on all in 3 mouths guarantee Packaging and shipping packing:standard export ,wooden box,or package required by customer Delivery:the exact shipping date according to your order quantity after deposit