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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
More than 10 years professional products deep processing tolerants/quality assurance
More than 10 years professional products deep processing tolerants/quality assurance
2
The professional technical team provides tailor-made services for you
Products that meet the requirements can be designed and manufactured based on drawings and templates provided by customers
3
More than a dozen precision extrusion production lines are easily delivered in large quantities
A number of professional CNC equipment for you to provide high precision products
4
365 days and 24 hours of after-sale system to provide you with a more intimate service
Have a good after-sales service team to ensure that the first time to solve the customer's after-sale problems, so that you have no worries
About Dorrenhaus
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
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