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 reaching out to inquire about the black-colored products you offer. We're looking for options that align with our specifications and quality standards. If you have different varieties available, please share detailed descriptions, including material, dimensions, and any relevant features. Additionally, let me know your pricing structure, including any bulk order discounts. Our team is keen to explore potential partnerships and ensure we meet our project's requirements efficiently. Looking forward to your prompt response with the necessary info!