Hi, It is nice to write to you. This is GRV from Brazil. I do have the customer that is interested your Escalator Cleaner Clean Machine for Escalator. could you please send me the quotation from this with the details as below: Material, Outside Diameter, model Number, How long will it take to receive shipment by air? thank you very much for taking the time to answer my questions. best RegardsGrvGrv Lifts Show More