Making IoT
Easier
Founded in 2018 in Xiamen, China, NetJoin, the brand of XIAMEN NENGJIA TECHNOLOGY CO., LTD., is a professional provider of industrial IoT terminals and cloud-based system solutions.
Four Connected Infrastructure Sectors
NetJoin develops hardware and cloud solutions for smart lighting, smart agriculture, smart solar energy, and smart water projects.
Smart Lighting
Street lighting controllers, NEMA, DALI, cabinet systems, and CMS software.
Smart Agriculture
Agricultural monitoring systems, remote telemetry terminals, sensors.
Smart Solar Energy
MPPT solar charge controllers, solar IoT modules, Zhaga-ready controllers.
Smart Water
Water conservancy IoT, pump controllers, remote monitoring terminals.
Built by Engineers,
Backed by IP
The supplied company manual states that R&D accounts for 50% of the team. It also records 69 intellectual property assets, including 9 patents and 46 software copyrights, and recognizes NetJoin as a National High-Tech Enterprise and a Specialized and Innovative SME in Xiamen.
Multi-Protocol Communication &
Diverse Product Portfolio
We provide IoT communication terminals and customized cloud platform services based on multiple communication technologies.
Field-tested support for outdoor lighting projects
Our engineers and project partners support installation checks, controller commissioning, control cabinet troubleshooting, and post-installation review for outdoor lighting deployments.
Project team coordination
Keeping communication clear between partners, engineers, and field teams.
Commissioning at height
Crane work, lift checks, and pole-side adjustments are part of the process.
Roadside rollout support
Field teams keep projects moving when the road stays busy and the clock is not.
Cabinet-side troubleshooting
Practical debug work often happens beside a cabinet, not just on a drawing.
Designed for
International Projects
NetJoin has experience in overseas markets including Italy, the United States, France, Thailand, and other regions. Several of our products are purpose-built for international applications.
Overseas Nodes
Xiamen HQ connects deployed projects across key international markets.
NEMA socket projects
Smart lighting nodes
DALI lighting control
Solar controller pilots
To make IoT easier.
We are committed to providing stable products, responsive technical support, and practical industrial IoT solutions that help global partners build smarter, more connected infrastructure.