Germany Siegenia Founded in Siegen, Germany, in 1914, the company has a long manufacturing experience, making it a leading enterprise in high-end window and door hardware and single ventilator.

Siegenia-AuBI Group is one of the largest manufacturers of window and door hardware in Germany and Europe. Its products cover aluminum, plastic, wood-aluminum composite and other materials, as well as various window and door types such as internal, external opening and sliding. In addition, the products of Segenia-Aubi are constantly developing and updating to meet the new requirements of architectural designers, door and window manufacturers and builders. In the field of window and door hardware and ventilation technology, the company has internationally recognized business capability and strong potential of continuous growth, synchronous and advanced development.