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I'm interested in your closed cabinet robot coffee machine that specializes in making lattes and latte art. It would be great to get detailed info about the unit, especially regarding its features and capabilities. I'm curious about the ease of use, maintenance requirements, and any advanced functionalities it might offer. Could you please provide me with the unit price? Additionally, if you have any bulk purchase discounts or promotional offers, I'd love to know more about those. Looking forward to your prompt response so we can discuss this further!