美国采购需求：桑拿房，室内桑拿，传统桑拿，室外桑拿，室外桑拿，远红外桑拿

I'm interested in getting more info about the sauna products you offer. Specifically, I'd like to know the different models available, their sizes, and key features that set them apart. Additionally, if you could provide details on the materials used and any customization options, that would be super helpful. I'd also appreciate it if you could send over your pricing structure, including any bulk order discounts or shipping fees. Knowing the lead time for production and delivery would be great, too. Looking forward to your detailed response so we can explore potential collaboration!