Foshan Dalong Chain
Equipments Sales Co., Ltd.
Equipments Sales Co., Ltd.
Leave Your Message
In the rapidly evolving landscape of urban infrastructure, the modernization of vertical transportation systems in aging structures has become a global priority. The integration of advanced Door Sensor Elevator technology for old building elevator retrofitting is no longer a luxury but a fundamental safety and efficiency requirement. As buildings from the mid-20th century continue to serve high-density populations, their original mechanical door systems often face wear, tear, and outdated safety protocols.
Retrofitted door sensors, specifically light curtains and 3D infrared detectors, act as the first line of defense against passenger entrapment and mechanical failures. By replacing old-fashioned mechanical safety edges with non-contact sensing technology, building owners can significantly reduce maintenance costs while ensuring compliance with modern safety standards such as EN 81-20/50.
Modern retrofitting utilizes AI-enhanced sensors that can distinguish between a person entering the elevator and a stationary object, preventing unnecessary door delays and improving traffic flow in busy residential or commercial blocks.
The global elevator modernization market is witnessing a shift toward "Smart Retrofitting." Industry leaders like Otis, Kone, and Mitsubishi are increasingly focusing on modular components that can be seamlessly integrated into older controllers. Our expertise at Foshan Dalong Chain Equipments Sales Co., Ltd. positions us at the forefront of this trend, providing the critical components needed to bridge the gap between 20th-century mechanics and 21st-century digital safety.
Current industrial trends highlight a move toward wireless intercoms and IoT-enabled door sensors. These systems not only detect obstacles but also report real-time data to maintenance teams, predicting potential failures before they occur. For old buildings, this means moving from reactive repairs to proactive maintenance, extending the life of the elevator by decades.
With urbanization accelerating in Southeast Asia and Europe, the demand for cost-effective retrofitting solutions—rather than full elevator replacements—has surged by 40% in the last five years.
Established in 2007, with roots dating back to 1990, we have spent over three decades perfecting the art of elevator component manufacturing. As a strategic global parts supplier for KONE, we understand the rigorous demands of the international market.
Our facilities in Suzhou, Shanghai, and Nantong span over 4,500 square meters, equipped with high-precision machinery to produce both standard and non-standard parts. Whether it's a discontinued model for a historic building or a modern high-speed sensor, our engineers provide rapid and precise solutions.
1. Historic Residential Complexes: In buildings where structural changes are restricted, compact door sensors provide a non-invasive way to upgrade safety without altering the architectural integrity of the elevator car.
2. Healthcare Facilities: Old hospitals often struggle with slow elevator doors. Modern sensors with "Nudging" features ensure that doors close safely but firmly after a set period, preventing delays in emergency transport while protecting patients and equipment.
3. High-Traffic Commercial Hubs: For aging office towers, retrofitting with multi-beam light curtains reduces "False Stops," ensuring that the high volume of daily commuters moves efficiently without the mechanical wear associated with old-school physical contact edges.
