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'm currently preparing a presentation for my school project and I'm in need of some specific information regarding your products. I appreciate the clarity and depth of the materials I've found so far, but I'd love to dive deeper into the details. Could you provide me with additional data that would help enhance my understanding and presentation? Any relevant specifications, usage examples, or case studies would be incredibly helpful. Looking forward to your assistance on this!