加纳采购需求：控制器逆变器、发电机、水平风力涡轮机、太阳能电池板、垂直风力涡轮机、风力涡轮机玩具

I'm looking to get a detailed quotation for a specific power generator model that delivers around 20kw of output. It would be great if you could provide me with pricing details, including any volume discounts, lead times, and payment terms. Additionally, if you could include information on warranty options and after-sales support, that would be super helpful. I'm also interested in understanding the shipping costs and available delivery options to my location. If there are any technical specifications or additional features related to this model that you think would be beneficial for my decision-making process, please include those as well. Looking forward to your prompt response with all the necessary details!