尼日利亚采购需求：手机信号增强器、批发移动信号增强器、手机信号增强器、手机信号解决方案、信号覆盖范围、光纤数字中继器

I'm reaching out to inquire about your available options in black color. We are particularly interested in understanding the variety of products you offer in this color and any specific features that might differentiate them. Could you please provide details on pricing, minimum order quantities, and lead times for these black items? Additionally, if there are any recent designs or improvements to your products, I'd love to hear about them. Your prompt reply would be greatly appreciated as we are looking to make decisions soon. Thanks!