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 looking to acquire some equipment for our operations and would appreciate more details on what you can offer. Specifically, I'm interested in understanding the specifications, features, and pricing options available for your products. Additionally, it would be helpful to know about the lead times for production and delivery, as well as any warranties or after-sales support you provide. Looking forward to your prompt response so we can move forward with this potential purchase.