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 came across your product while searching for vermiculite suitable for plant growth, and I'm quite interested in what you have to offer. I've been exploring various options to enhance my gardening experience and improve my plants' health, and it seems your vermiculite could be a great fit. Could you provide more details about your product's specifications, including its quality, packaging options, and pricing? Additionally, I'm curious about any bulk order discounts or availability for different quantities. I'm looking forward to your prompt response to help me evaluate my options!