南非采购需求：温室、玻璃温室、水培法、气培水培法、冷却风扇

I'm looking for information on your carports and greenhouse installations. Specifically, I am interested in the various designs, materials, and customization options that you offer. It would be helpful to know your pricing structure and any bulk order discounts available. Additionally, please share details about lead times for production and delivery, as well as installation services if provided. Understanding warranty and maintenance options would also be useful. Looking forward to your prompt response!