Indoor Lighting – Guangzhou, China
Details:
Location: Guangzhou, China
Year: 2025
With the official launch of Guangzhou Metro Line 11, Southern China’s longest circular metro line has entered full operation. Spanning over 43 kilometers and connecting 33 stations, the new line marks a major milestone in urban transit infrastructure. An invisible network of powerful lighting solutions enables smooth and energy-efficient operation. As one of the key suppliers, Inventronics contributed nearly 30,000 intelligent DALI LED drivers, delivering reliable and efficient lighting along the entire metro line.
The challenge: Lighting for a complex public transit system
Line 11 is Guangzhou’s first fully enclosed circular metro line, demanding outstanding technical performance from all the supporting systems:
- Long-term operational reliability is essential for uninterrupted service.
- The DALI-based dimming system requires precise, centralized control and flicker-free transitions.
- The lighting infrastructure must be energy-efficient, maintenance-friendly, and compatible with existing systems.
- In high-traffic environments, lighting must offer comfort and safety to all passengers.
The solution: Smart DALI driver technology from Inventronics
In close collaboration with Guangzhou Xuyuan Lighting Technology Co., Ltd., Inventronics provided a groundbreaking lighting solution for the line, built around the high-performance OSRAM IT DALI CS LED driver. Developed for demanding infrastructure environments, this product ensures system-wide reliability and efficiency.
Key product features:
- Precision Control: seamless dimming via DALI with centralized control capability
- Energy Efficiency: supports sustainable and cost-effective metro operations
- Compact Design: flexible installation and fast maintenance even in the tightest spaces
- High Reliability: low ripple, stable light output – ideal for high-load, long-duty-cycle public transit applications
The Result: A smart lighting environment across the entire line
Thanks to close coordination between all the project partners, the lighting system of Line 11 was successfully commissioned on schedule. The result is a contemporary, intelligent lighting infrastructure for the public areas of all stations:
- Enhanced passenger comfort and safety through optimized light quality
- Efficient energy management via centralized DALI control
- Future-ready platform supporting ongoing smart infrastructure development
Voices from the project: Trust built on quality
“Metro lighting demands the highest standards for system stability, dimming precision, and control integration. OSRAM brand products from Inventronics have proven to be reliable and compatible across all use cases. We’ve deployed thousands of drivers across multiple lines with virtually zero failures – Inventronics remains our trusted long-term partner.”
– Yutong Liu, General Manager, Guangzhou Xuyuan Lighting Technology Co., Ltd.
“Our decision in favor of Inventronics as our partner was driven by the company’s legacy of innovation, extensive patent portfolio, and global service reach. The Line 11 project in Guangzhou once again impressively demonstrates Inventronics’ expertise in railway lighting. Going forward, we’ll continue delivering proven OSRAM product quality to help shape intelligent city lighting ecosystems.”
– Hui Zhang, Head of Sales Asia, Inventronics
Looking ahead: Innovation that lights up smart cities
At Inventronics, we remain committed to our brand promise: Professionalism, reliability and innovation. Through our high-efficiency lighting solutions, we support the transformation of urban transportation and infrastructure – creating smarter, more sustainable lighting environments for tomorrow’s cities.
| Project partners | |
|---|---|
| Guangzhou Xu Yuan Lighting Technology Co., Ltd | Project trader |
