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 hope this message finds you well. I'm reaching out to inquire about some products that I'm currently considering for procurement. I'm particularly interested in understanding the specifics of your offerings, including available models, pricing, and any potential discounts for bulk orders. Additionally, I would like to know about lead times and payment terms, as these factors are crucial for my decision-making process. It's important for me to ensure that I have all the necessary information before proceeding with my order. If you could provide me with detailed specifications and any relevant details, it would be greatly appreciated. Thanks for your assistance, and I look forward to your prompt response!