斯里兰卡采购需求：洗车机，全自动洗车机，自动洗车机，自动洗车，单臂洗车机，非接触式洗车设备

I'm interested in learning more about your touchless car wash systems. Specifically, I would like to understand the different models you offer, their key features, and the technologies involved in the system. Additionally, information regarding installation requirements, maintenance protocols, and overall efficiency would be highly valuable. Could you also provide insights on the pricing structures for various configurations and any available customization options? Understanding the warranties or service agreements that come with your products would be helpful as well. If you have any brochures, datasheets, or videos that showcase the systems in action, that would be great for a better visual understanding. Looking forward to your detailed response!