美国采购需求：门把手、五金把手、拉杆把手、锌合金、铝合金、门旋钮

I'm reaching out to request a comprehensive quote for your fully finished products. We're looking for detailed information on available models, specifications, and features that cater to our needs. Additionally, please provide your pricing structure, including bulk discounts and any potential lead times for delivery. It would be great if you could also highlight any customization options or additional services you offer, such as after-sales support or warranty policies. Understanding your production capabilities and quality assurance processes will help us make an informed decision. Looking forward to your prompt response with all the details!