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Various Door Hardware
About NHN
The NHN brand is trademark of Kenwa Co., Ltd, specializes in premium architectural door hardware such as hydraulic door closer systems, concealed hinges, pivot systems, and advanced door control solutions. NHN products are known for their durability, precise engineering, and compatibility with modern architectural designs, making them suitable for high-end residential and commercial projects.
Kenwa Co., Ltd. is a well-established Japanese company founded in 1977 and headquartered in Kenwa Co., Ltd. With decades of international experience, Kenwa operates through a global network spanning more than 30 countries, supplying high-quality products to various industries, including construction and building hardware.
Ihsan Asalah Building Material Trading Co. L.L.C. is the official representative of the NHN brand in the Middle East, responsible for distribution, market development, and technical support across the region.
Selected Products
NHN door hardware consists of high-precision mechanical devices designed to provide smooth and secure door operation. NHN’s modern Japanese products combine concealed designs with smart technologies to ensure reliable, long-lasting performance.
Solutions for Modern Interior Doors
Minimalist and neo-classical interior design focuses on clean surfaces, simple forms, and visual clarity. In these concepts, doors are designed without visible hardware, while all functional components—hinges, door closers, stoppers, locks, cylinders, and sealing systems—are fully concealed within the door and frame.
These hidden solutions ensure smooth, silent operation, controlled closing, precise stopping angles, and effective sealing, all without compromising the door’s appearance. Locking is effortless, achieved with a single touch using award-winning handle designs.
By integrating advanced technology and high-quality hardware from leading manufacturing countries such as Japan and Germany, these solutions deliver durability, reliability, and refined aesthetics—making them ideal for modern interior doors.
Solutions for Lobby and Villa Entrance Doors
The trend toward oversized lobby and villa doors—taller, wider, and heavier—demands high-performance hardware solutions. As door weight increases, smooth operation and long-term durability become essential. These large doors must open effortlessly for all users and close in a fully controlled manner.
Even under wind pressure, they should never slam or cause damage to the frame or compromise safety. Concealed Japanese pivot hinges with integrated soft-closing systems provide reliable weight support and controlled movement.
For projects requiring automation, swing door operators ensure smooth and automatic operation. Advanced locking systems compatible with lobby control panels and electric intercoms complete the solution—delivering security, strength, and refined architectural performance.
Solutions for Glass Doors
Glass doors (tempered glass) are widely used in stores, banks, hospitals, offices, and shopping malls. However, low-quality hardware often causes common problems such as floor damage, oil leakage, door sagging, and poor speed adjustment in hinged doors.
Our NHN surface-mounted stopper hinge solves these issues by ensuring smooth operation, controlled closing, and long-term durability without damaging the floor.
For sliding glass doors that open stiffly and do not close automatically, our semi-automatic sliding system provides smooth opening with minimal force and automatic closing. The door can also remain open by sliding it fully to the end and releasing it.