尼日利亚采购需求：氢燃料电池发电机，质子交换膜燃料电池氢气发电机，汽车氢气发电机，燃料电池堆，6000w燃料电池，风冷燃料电池

I'm looking for a 6kw hydrogen fuel cell for an upcoming project. It would be great if you could provide details on your available models, including specifications and performance metrics. We are particularly interested in efficiency, durability, and any certifications your products may have. Additionally, please share info about pricing, lead times, and bulk order discounts. If you have any recommendations or insights based on similar applications, I'd love to hear them. Looking forward to your prompt response!