In the modern urban landscape, subway and metro stations serve as the circulatory system of a city. With millions of passengers transitioning through these hubs daily, the reliability of vertical transportation systems is paramount. A door sensor elevator for subway use is not merely a convenience component; it is a critical safety barrier designed to prevent accidents in high-pressure environments.
Unlike residential elevators, metro station elevators face extreme duty cycles. Doors open and close thousands of times a day, often under crowded conditions where passengers may attempt to rush into a closing door. This necessitates advanced light curtain technology and infrared multi-beam sensors that can detect even the smallest obstructions, ensuring zero-contact safety protocols.
Multi-beam infrared curtains create an invisible safety net, preventing door-related injuries in crowded metro platforms.
Millisecond detection speeds ensure that doors reopen instantly when an obstruction is sensed, maintaining station flow.
Designed to withstand dust, vibration, and the constant usage cycles typical of underground transit environments.
The global market for elevator safety components is shifting toward AI-integrated diagnostics. In the context of subway stations, the "Smart Metro" initiative is driving the adoption of IoT-enabled door sensors. These sensors do more than just detect people; they collect data on door performance, predicting mechanical failures before they occur. This predictive maintenance model reduces downtime, which is essential for stations that operate 24/7.
Established in January 2007 (formerly Nanhai Yanbu Seelee Elevator Parts Factory, founded in 1990), we have spent over three decades perfecting the art of elevator component manufacturing. Our commitment to "Customer First, Quality First" has made us a trusted partner for global giants including Otis, Schindler, Hitachi, Kone, Mitsubishi, and Fuji.
Notably, we are a KONE global parts strategic cooperative supplier, providing critical components that power the world's most sophisticated metro systems, including MTR Singapore.
Our production footprint covers over 4,500 square meters in Suzhou, with additional facilities in Shanghai and Nantong. This distributed manufacturing capability allows us to maintain a rigorous quality control system that meets international standards for high-stakes environments like subway stations.
With an inventory stocked with commonly utilized spare parts and a seasoned engineering team, we provide rapid, precise solutions for both standard and non-standard (discontinued or older model) elevator parts.



Elevator guide rail sliding shoe lining
Elevator Handrail Belt - Durable Safety Solution
Elevator Light Curtain Safety Sensor System
Elevator control electronic board
Elevator Skate Set: Premium Metro Gear
Elevator Push Button - Durable & Easy Install
Elevator door slide block, screw, nut
Elevator five-party wireless intercom
Selecting the right door sensor elevator for subway and metro stations involves balancing safety, longevity, and cost-effectiveness. Our products are engineered to handle the unique challenges of the transit industry, including electromagnetic interference from high-voltage train lines and the humid, dusty conditions of underground tunnels.
By integrating our enhanced protection systems, transit authorities can ensure a seamless passenger experience while minimizing liability and maintenance overhead. For over a decade, Foshan Dalong Chain Equipments has remained a beacon of pragmatism and innovation, offering integrated approaches that encompass manufacturing, sales, and technical consulting.
Providing high-quality parts and exemplary after-sales service to Europe, America, Southeast Asia, and beyond.