Welcome to Trefix
M20L Laser GNSS RTK
Meridian M20 Laser GNSS RTK is an innovative solution that combines advanced laser technology with Camera, IMU, and 4G integration.







M7 GNSS Receiver
The Meridian M7 features a new-generation RTK engine and supports tilt measurement, allowing for high-precision surveying in complex environments. It also has built-in 4G connectivity

M20L Laser GNSS RTK
Meridian M20 Laser GNSS RTK is an innovative solution that combines advanced laser technology with Camera, IMU, and 4G integration.

The MBase GNSS receiver is a fully integrated, professional-grade GNSS base station tailored to address 95% of surveyors’ requirements for UHF GNSS base and rover operations.
M25 High Precision Laser GNSS RTK
Meridian M25 GNSS RTK is an innovative solution that combines advanced laser technology with Camera, IMU, and 4G integration.

Combines advanced technology with upgraded high-definition Camera, IMU, and 4G integration

Combines advanced technology with upgraded high-definition Camera, IMU, and 4G integration

Gadget Diagnostic
Fast Process
Affordable Prices
About Surveying Systems
Global Navigation Satellite System
GNSS Co., Ltd. is a company based in Guangzhou, China, that specializes in the development and manufacturing of Global Navigation Satellite System (GNSS) equipment and solutions. GNSS technology is used for positioning, navigation, and timing applications worldwide.
- High-precision GNSS receivers for accurate land surveying
- Reliable total stations and laser levels for construction projects
- Advanced data collection software to streamline fieldwork
- Durable equipment built for harsh outdoor conditions
Why Choose Surveying Systems
Our Products
GNSS Systems
GNSS (Global Navigation Satellite System) is a navigation system based on satellite positioning technology, used to determine the position, velocity, and time on Earth. The GNSS system utilizes a combination of satellites and ground receivers to..
CORS Network
CORS (Cross Source Resource Sharing) is a mechanism used for cross domain resource requests in web browsers. In browsers, for security reasons, there is a homologous policy that restricts the interaction between resources loaded under one..
Total Stations
Total Stations are high-precision instruments used for surveying and positioning, widely used in land surveying, construction engineering, and surveying work. It combines electronic distance measuring instruments (EDM), angle measuring instruments..
Precision Agriculture
Precision Agriculture is a method that utilizes advanced technology and data analysis to optimize agricultural production. It combines technologies such as Global Navigation Satellite System (GNSS), remote sensing technology, Geographic Information..
UAV System
UAV (unmanned aerial vehicle) system refers to an unmanned aerial vehicle system, also known as a drone system or unmanned aerial system. It consists of unmanned aerial vehicles, ground control stations, and communication links. The drone aircraft is the..
Marine System
Marine systems refer to a wide range of technologies and equipment used in various marine-related applications. These systems are designed to operate in marine environments such as oceans, seas, and other bodies of water. They are used for a variety of..
Our Clients














Get in touch