We are a leading factory in the field of GNSS products, and our CHCNAV E90 RTK GNSS is a high-precision GPS device that is perfect for both surveying and construction applications. With an advanced RTK positioning system and superior GNSS technology, this device provides unmatched accuracy and efficiency for even the most demanding projects. It features a rugged and durable design that is ideal for use in harsh environments, as well as a user-friendly interface that makes it easy to use. Whether you're a surveyor, engineer, or construction professional, the CHCNAV E90 RTK GNSS is the perfect tool for all your GNSS needs.