美国采购需求：门窗，门窗，铝合金窗，铝合金门，室内门，阳光房，铝合金推拉窗

I'm looking to source windows for an upcoming project and need more details about your offerings. Specifically, I'm interested in different styles and materials you provide. It would be great to know about the energy efficiency ratings, customization options, and any certifications your products might have. Additionally, I'm keen to understand the lead times for production and delivery, as well as your pricing structure. Could you also provide any information on warranty options and after-sales support? This info will help me make a decision, so I appreciate your prompt response!