西班牙采购需求：低成本预制房屋、易于建造的房屋、经济实惠的模块化房屋、快速组装小屋、DIY经济型住房、简易预制住宅

We are looking to procure a 40FT expandable modular container house designed to comfortably accommodate either 2 or 3 bedrooms. It's essential that the design allows for flexibility and easy expansion, as we anticipate the need for versatile usage in different settings. Please provide us with detailed specifications, including materials used, interior layouts, and any customizable features that can enhance functionality and comfort. Additionally, it would be great to know more about the delivery timelines and shipping options available. We would appreciate it if you could include information on pricing as well as any warranties or after-sales support you offer. We are eager to explore the possibilities of working together and look forward to your prompt response regarding this inquiry.