Dear supplier/producer,It is nice to write to you. This is awad from Saudi Arabia. I am interested in buing 35 of your RFID Hotel Door Lock System to my inventory.May I know more information about product such as:Size,Type,Metal Ceiling Material,How long will it take to receive shipment by air?Thank you very much for taking the time to answer my questions.With Best Regardsawadal harbi00966505828350 Show More