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Concealed Door Closers Factory

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Concealed Door Closers Suppliers

  • Overall Dimension: 230MM(L)×37MM(W)×81MM(H)Installation Hole Distance: 19MM×285MMForce: EN3—EN5Door Weight: ≤120kgDoor W...
  • Overall Dimension: 210MM(L)×32MM(W)×57MM(H)Installation Hole Distance: 20MM×283MMForce: EN2—EN4 Door Weight: 40-100kgDoo...
  • Overall Dimension: 230MM(L)×32.5MM(W)×63MM(H)Installation Hole Distance: 20MM×260MMForce: EN3Door Weight: ≤40kgDoor Widt...

Concealed Door Closer (Hidden Type)
A concealed door closer is a type of closing device installed inside the door or door frame, making it difficult to detect from the outside. 

Its main advantages include the following:

Aesthetic Appeal: Installed within the door or frame, the concealed door closer does not affect the overall appearance of the door. It provides a cleaner, more streamlined look that blends seamlessly with various interior design styles. It is especially suitable for locations with high aesthetic requirements, such as upscale office buildings, hotels, and villas.

Enhanced Security: Since the concealed closer is installed internally, it is less prone to tampering or intentional damage. Compared to surface-mounted closers, it has a lower risk of vandalism, thereby ensuring the proper functioning of the door closing mechanism and improving overall building security.

Door Protection: Concealed door closers typically use an internal design that works closely with the door and frame. This allows for more even distribution of the closing force, reducing localized stress on the door and less the risk of deformation or damage over time, ultimately extending the door’s lifespan.

Dust and Moisture Resistance: Being installed inside the door or frame, concealed closers are less affected by external environmental factors. They are better protected from dust, moisture, and other contaminants, reducing the risk of malfunction due to corrosion or rust, and improving reliability and durability.

good Noise Reduction: Due to their enclosed internal structure and tighter connection with the door, concealed closers operate with significantly less noise. This makes them ideal for noise-sensitive environments such as hospitals, libraries, and conference rooms.

ZHEJIANG AIBO SECURITY-TECHNOLOGY CO., LTD.
About AIBO

AIBO was founded in 2001 and is a China Concealed Door Closers factory and Wholesale Concealed Door Closers Suppliers. With years of industry experience and continuous innovation, AIBO has grown into a trusted professional brand in the industry, and has won wide recognition in multiple application scenarios such as residential, commercial and industrial.


As of 2024, AIBO products have been exported to more than 50 countries and regions around the world, and have obtained international certifications such as ISO9001, ISO14001 and ISO45001, and have passed the sustainable development audits of authoritative organizations such as ASSA ABLOY EMEA, Ecovadis, and SGS. The company's annual production capacity reaches 280,000 door closers and 50,000 floor springs, maintaining its leading position in the industry.

Honors and Certificates
  • High and New Technology
  • CE
  • CE
  • CE
  • CE
  • CE
  • UKCA
  • UKCA

News and Information

Hidden and Invisible Door Closers by AlBO for Professional Entrance Systems

AlBO is a professional provider of door hardware solutions, offering a comprehensive range of products including door closers, floor springs, automatic doors, and related accessories. Among our specialized offerings, concealed door closers, also known as hidden door closers or invisible door closers, represent a sophisticated solution for modern entrance systems, combining functionality with a clean and aesthetic design.

Concealed Door Closers are designed to be installed within the door or frame, making them invisible from the exterior. This hidden installation provides a sleek and minimalistic appearance, which is increasingly favored in contemporary architectural projects. By integrating the closer mechanism inside the door structure, these devices maintain the visual integrity of the door while providing reliable performance in controlling the opening and closing actions.

A primary advantage of hidden door closers is their adaptability to various door types and environments. They can be installed on wooden, metal, or glass doors, offering flexibility for both commercial and residential applications. In addition, these closers can accommodate different door weights and sizes, providing smooth and controlled closing actions that enhance safety and convenience.

Invisible door closers also offer functional benefits beyond their aesthetic appeal. They allow for adjustable closing speeds and latching actions, enabling precise control over how doors operate. This feature is particularly useful in high-traffic areas such as office buildings, hotels, hospitals, and public facilities, where consistent and safe door operation is essential. By ensuring controlled closure, these devices help prevent damage to doors and frames, reduce noise, and improve energy efficiency by maintaining door seals.

At AlBO, we emphasize quality and reliability in every concealed door closer we produce. Our products undergo strict testing to meet performance standards, ensuring durability and long-term functionality. The design and engineering of our closers also consider ease of installation and maintenance, providing practical solutions for builders, architects, and facility managers.

In addition to standard concealed door closers, AlBO provides customized solutions to meet specific project requirements. Whether it is adjusting the closing force, integrating with automatic door systems, or providing a solution for fire-rated doors, our range of hidden and invisible door closers can be tailored to address unique challenges in modern entrance design.

Our commitment to door hardware solutions extends beyond individual products. We focus on creating comprehensive entrance systems where door closers, floor springs, and automatic doors work together seamlessly. By selecting AlBO’s concealed door closers, clients can achieve a balance of safety, functionality, and design aesthetics, contributing to professional, efficient, and visually appealing entrance environments.

In conclusion, concealed, hidden, and invisible door closers from AlBO represent a reliable, professional, and visually appealing option for contemporary building entrances. They combine the advantages of modern design, precise performance, and adaptability across different door types and settings. By integrating these solutions, architects, builders, and facility managers can ensure that every door operates safely, quietly, and efficiently while maintaining an elegant and unobstructed appearance.

AlBO remains dedicated to providing high-quality door hardware solutions for all entrance systems. Our concealed door closers exemplify our approach to combining technical performance with design sophistication, offering products that support both functional and aesthetic goals in modern construction projects.