美国采购需求：有氧运动器材、空中自行车、商用跑步机、家用椭圆机、直立自行车、踏步机

I'm interested in exploring the all-black version of the specific model I mentioned earlier. Could you please provide more details about its specifications, features, and available quantities? I'm particularly keen on understanding the material quality and any customization options you may offer. Additionally, it would be great to know the pricing structure and lead time for production. If you have any available samples or brochures, I'd love to take a look. Looking forward to your prompt response so we can potentially move forward with an order.