美国采购需求：集装箱房屋、钢结构框架、钢金属建筑、钢结构车间建筑、钢结构制造、购买集装箱房屋

I'm looking for more detailed information about your prefab homes. Specifically, I'd like to know about the different models you offer, their customization options, and any specifications regarding materials used. Additionally, insight into pricing and lead times would be appreciated. Could you also share any relevant documentation, such as brochures or technical sheets? Understanding the energy efficiency ratings and warranty details would help in making a well-informed decision. Thank you for your assistance!