Leading Manufacturer of IoT
Data Transmission & Control Modules
What We Do
Connect
Industrial-grade DTU, RTU, and I/O modules built for the toughest environments—delivering rock-solid, real-time connectivity wherever your assets operate.
Collect
Capture every signal, every parameter, without compromise. Secure, high-frequency data acquisition and transmission straight from the field to your dashboard.
Control
Monitor, analyze, and command remotely through our intuitive IoT cloud platform—turning data into decisions and devices into intelligent systems.
Real-time monitoring of air, soil, and water quality. Our reliable IoT devices connect field data, enable instant alerts, and support sustainable management for cities, farms, and industries.
Optimize farming with IoT connectivity. Our devices collect crop and weather data in real time, automate irrigation, reduce waste, and boost yields for modern farms and greenhouses.
Real-time monitoring of voltage, current, and energy with secure remote and intelligent control for safer, more efficient power management.
Founded in 2019, Hunan Yanyi Technology Co., Ltd. is an innovative IoT company specializing in data collection and intelligent control solutions.
We focus on environmental monitoring, smart agriculture, and smart house, delivering end-to-end services from robust hardware to complete system solutions.
Our flagship products include DTU, RTU, and I/O control modules, trusted in over 100 successful digital projects worldwide. These include government-backed smart greenhouse systems and meteorological monitoring for environmental protection industrial parks, earning strong recognition from customers and the market.