The award-winning product, the curtain wall external swing hardware system, solves the problem of door and window hardware bearing, realizes automatic response to wind pressure and safety closed loop, and can be adapted to ultra-large curtain wall systems, becoming a model for the industry to improve both safety and efficiency.<br />
From traditional hardware to intelligent systems, from single products to ecological empowerment, 3H Building Hardware uses innovation as an engine to continuously break through industry boundaries, join hands with global partners build a better living environment.

As a brand that has been deeply involved in the field of door and window building hardware for more than 40 years, 3H Building Hardware brought a variety of products and solutions to the show, competing with more than 1,400 industry leaders to draw a new blueprint for the industry!

What is a door hinge? A door hinge is a mechanical device that allows two objects to rotate relative to each other. It consists of two plates, one attached to the door frame and the other to the door itself. The plates are connected by a pin, which allows the door to swing open and closed. Door hi

Concealed design and space aesthetics<br />
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When the curtain is fully unfolded, the fabric is flat and taut, and it is seamlessly integrated with the building structure after rolling up, maintaining the visual unity of the minimalist technology style of the science and technology museum. It is suitable for medium and large shading places with curved, inclined or horizontal shapes to meet the needs of complex architectural forms.

The crescent lock not only has a beautiful appearance, but also effectively improves the safety and sealing of doors and windows. However, difficulties are often encountered when installing and adjusting the crescent lock. The following editor will introduce the installation steps of the crescent lock and how to adjust the front and back position in detail.