坦桑尼亚采购需求：GNSS天线、GNSS接收器、GPS和GNSS、GPS GNSS、蓝牙GNSS、CHC GNSS

I am looking for high-quality single beam and multi-beam echo sounders suitable for ocean use. These devices are crucial for our maritime projects, and we need reliable performance in various sea conditions. Please provide details on your available models, including specifications and pricing. Additionally, I'm interested in understanding the delivery timelines and any warranty options you offer. If you have previous customers or case studies related to marine applications, sharing that info would be great. Let's explore how we can collaborate to meet our requirements effectively.