Hot Products
UL Listed Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
CE Listed Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
3C Certified Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Concealed Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Economic Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
European Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
American Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Parts of Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Adjustable Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Fixed Size Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Sliding Arm Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Hold Open Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Heavy Duty Door Closer
Hydraulic door closer in various styles that include American ANSI/BHMA grade 1 and UL certified models and European(square shaped) models with CE certificates of both EN1154 performance constancy and EN1634 fire resistance test.
Dorrenhaus was founded in 1872 as a high-end Germany gating hardware brand.
Dorrenhaus had entered into the Chinese market in the 1980s, and supplied numerous households with high quality hardware products.
At the core of our $20 millions business is the knowledge and experience of the 200+dedicated employees behind our brand. We provide a wide range of door closers that includes：Hydraulic door closer, Heavy duty door closer,Concealed door closer, Fire rated door closer, UL listed door closer, CE certified door closer,Economic door closer, American / European style door closer, Door closer parts.
With our independent R&D team, quality control units and operational excellence, we have achieved an annual output of 1,200,000 - 1,500,000 set Up untill present, we have become the long term supplier to top brands. with our products recognized and approved over time.
Main international and domestic certification and standards that some of our products passed:
1）American National Standard: ANSI 156.4 Grade 1, life cycle test of 2 mil. cycles
2）American UL228 & UL 10C for 3 hours fire testing
3）European Standard CE: EN1154, life cycle test of 500,000 cycles
4）European Standard CE: EN1634 fire testing
5）China National Standard: QB/T 2698-2005 Grade 1, life cycle test of 1 mil. cycles
6）China Compulsory Product Certification for fire rated door closer
The installation steps of the door closer
What is an electric door closer?