Products

We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our management ideal for Personlized Products China Fire Rated Door Hardware Panic Exit Device with UL Listed, And there can also be many overseas close friends who came for sight seeing, or entrust us to buy other stuff for them. You happen to be most welcome to come to China, to our city and also to our manufacturing unit!
We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our management ideal for China Panic Exit Device, Exit Device, Our factory is equipped with complete facility in 10000 square meters, which makes us be able to satisfy the producing and sales for most auto part merchandise. Our advantage is full category, high quality and competitive price! Based on that, our products and solutions win a high admiration both at home and abroad.

Dorrenhaus comprises R&D center, testing laboratory,manufacturing center and sales dept, has over 10 in-service engineers and research specialists. Since it was founded, developing High performance door control products has always been the objective of Dorrenhaus. Dorrenhaus people have continuously tried to improve product quality, introducing oversea high and new technical equipment,giving our company good technical capabilities. Moreover, all of our R&D engineers has more than 20 years experience in door closer industry.

Do all exit doors need panic hardware?
Keep in mind that when an application requires panic hardware, all of the doors in the means of egress from that room or area will typically require panic hardware, including the exit access, the exit and the exit discharge.

Who invented the panic bar?
Robert Alexander Briggs lived in Sutherland, England and is credited with the invention of the panic bar. By 1892, Briggs was awarded a UK patent for his commercial door improvement. However, he wasn’t the only one thinking about change.

We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our management ideal for Personlized Products China Fire Rated Door Hardware Panic Exit Device with UL Listed, And there can also be many overseas close friends who came for sight seeing, or entrust us to buy other stuff for them. You happen to be most welcome to come to China, to our city and also to our manufacturing unit!
Personlized Products China Panic Exit Device, Exit Device, Our factory is equipped with complete facility in 10000 square meters, which makes us be able to satisfy the producing and sales for most auto part merchandise. Our advantage is full category, high quality and competitive price! Based on that, our products and solutions win a high admiration both at home and abroad.