南非采购需求：粗蛭石、块状蛭石、植物用蛭石、细蛭石、块状粗蛭石、蛭石土

I've been following your work and I must say, I really appreciate the quality of your products. I'm interested in exploring options that may suit our needs. Could you share more details about your offerings and pricing? Additionally, I'm looking for some guidance on the ordering process and lead times for delivery. It would be great to understand the minimum order quantities as well. I hope to hear from you soon so we can move forward!