圭亚那采购需求：温室冷却风扇、农业通风风扇、农场温室风扇、园艺冷却通风、温室空气循环、农业冷却系统

I'm looking for pricing details on greenhouse ventilation systems and aluminet shade cloth. It would be great if you could provide a breakdown of options available, including sizes, materials, and any additional features that might enhance performance. Additionally, please include any information on bulk order discounts or shipping options. I'm eager to understand your lead times and payment terms as well. This will help me plan effectively for our procurement needs. Thanks!