DoubleLong Smart Door System at 2026 China (Yongkang) International Door Industry Expo DoubleLong Smart Door System at 2026 China (Yongkang) International Door Industry Expo
In the 2026 China (Yongkang) International Door Industry Expo held from May 26th to May 28th, Suzhou Shuanglong Zhongke Intelligent Technology Co., Ltd. (referred to as "DoubleLong Zhongke") showcased its core product—the DoubleLong Smart Door System, which quickly became the focus of professional visitors, media, and industry partners. The booth was bustling with people, not only showcasing the cutting-edge technology of the product itself but also sparking deep thoughts among the industry about the path of intelligent upgrading for traditional入户 doors.


Distinct from the simple combination of "traditional security door + smart lock" on the market, the DoubleLong Smart Door System is defined as an all-in-one smart door solution integrating "hardware + software + service" throughout the entire door travel process. It is no longer just a tool for unlocking, but an upgraded "active safety center" for the family through AI visual recognition, multi-dimensional sensor fusion, and Internet of Things technology. This system can achieve a leap from passive defense to active protection, such as actively identifying abnormal loitering at the door and monitoring early fire hazards indoors, bringing the safety protection forward.
In addition to its stable and reliable underlying architecture, the system's excellent user experience is also noteworthy. The DoubleLong Smart Door System can seamlessly connect with mainstream smart home ecosystems such as Xiaomi and Tuya, realizing scenario-based interlock such as "auto-lighting when home, one-click defense when away." At the exhibition site, this smooth experience of using the smart door as the core entrance of the whole house smart home was praised by many experience participants for its convenience and foresight, fully showcasing the charm of the smart lifestyle.

As the original manufacturer of the smart door system, DoubleLong Zhongke's core competitiveness lies in its "self-research and development, full chain control" model. Currently, many traditional door factories often face the dilemma of "patchwork transformation" when carrying out intelligent transformation, such as purchasing locks, panels, and APPs from different manufacturers, leading to poor system compatibility, high failure rates, and unclear after-sales responsibilities. The DoubleLong Smart Door System, from electronic automatic lock bodies, electric door machines, smart screens to mobile phone APPs and IoT platforms, all core components and systems are independently researched and manufactured by DoubleLong Zhongke. This deep integration of hardware and software from the same source fundamentally ensures the high stability and reliability of the system, providing partners with guaranteed quality and effectively solving their concerns about transformation.

For traditional入户 door enterprises seeking to break through, the DoubleLong Smart Door System provides an efficient and reliable transformation and upgrading solution. Door factories do not need to invest heavily in building complex hardware and software research and development teams. Instead, they can quickly upgrade traditional入户 doors to smart doors through the introduction of this mature one-stop system, significantly enhancing product value and market competitiveness.
In addition, the system supports open protocols and can seamlessly connect with mainstream smart home ecosystems such as Xiaomi and Tuya. This means that a door equipped with the DoubleLong Smart Door System will become an intelligent entrance to link the whole house lighting and home appliances, realizing scenario-based experiences such as automatic lighting when home and defense when away, helping door factory products integrate into a broader smart home market.
"DoubleLong protects your home more reliably" is not only the company's slogan but also a true reflection of its product and service system. DoubleLong Zhongke has established three research and development centers in Shenzhen, Suzhou, and Nantong, and has two production bases in Suzhou and Nantong, building a complete closed loop from research and development, production to quality control. Through stringent CNAS-level testing, the company ensures product quality remains consistent during mass deliveries. At the same time, the company has established a nationwide digital service system, committing to rapid after-sales response, ensuring "reliability" runs through every aspect of technology, products, and services.

This extensive attention at the Yongkang Door Expo confirms the market's urgent need for truly integrated and high-reliability smart door solutions. DoubleLong Zhongke, with its full-stack self-research and development capabilities and the extreme pursuit of "reliability," not only brings consumers a more intelligent and secure home protection experience but also provides traditional door industry with a clear and feasible path for intelligent upgrading, expected to drive the entire industry towards a higher level of "active protection" era.
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