美国采购需求：螺旋管制造机、空气滤纸折叠机、注胶机、包装机、高效空气过滤器（HEPA过滤器）、空气过滤器

I hope this message finds you well. We're looking to place a substantial order for air filters and would appreciate it if you could provide us with your latest catalog and pricing details. Could you also share information on the available specifications, including any options for customization? Additionally, it would be great to know your lead times for bulk orders and any minimum purchase requirements. If there are specific terms regarding shipping and payment, please include that info as well. Looking forward to your prompt response so we can move forward quickly!