英国采购需求：铝合金窗，铝门，门窗，圆窗，推拉门

I'm interested in learning more about your UPVC and Aluminium products. Could you please provide detailed specifications, including any available product ranges, features, and possible customization options? Additionally, I'd like to know about your pricing structure, lead times for orders, and any minimum order requirements you might have. This info will help me assess how your offerings align with our needs. Looking forward to your response!