美国采购需求：张紧轮、皮带轮、后减震器、优质减震器、滤清器、轮毂密封圈

I'm interested in learning more about your product offerings. Could you please provide me with detailed information on the specifications, features, and available options? It would also be helpful to know about pricing, minimum order quantities, and any lead times we should anticipate. Additionally, if you have a catalog or any promotional materials, I'd love to check them out. I'm looking forward to finding out how your products can fit into our lineup and any special arrangements you might offer. Thanks!