美国采购需求：粗蛭石、块状蛭石、植物用蛭石、细蛭石、块状粗蛭石、蛭石土

I'm reaching out to inquire about specific products that I'm interested in. It's essential for me to have detailed information on the items available, including specifications, pricing, and any additional features that might be relevant. Understanding the variety and quality options you provide will help me make an informed decision. I'm particularly keen on knowing the availability of these products and any lead times associated with orders. If there are samples, catalogs, or brochures that can offer more insight, I would appreciate receiving them as well. The goal is to ensure that I have all the necessary details to find the right fit for my needs.