Auto Close Overhead Metal Door Closer Size 4 D404 Width Suitable Max 1100mm

Dorrenhaus - 6-year supplier to top worldwide brands

Dorhaus overhead metal door closer D404 is economical type with moderate body

dimension, it's one of favourite model in domestic market. The factory tested life

cycles of this model is 200,000, meet Chinese national standard for door closer.

Ω Rack and pinion type, hydraulic structure, overhead mounted

Ω Appearance: Moderate Body Dimension, Combine Square with Round

Ω Manufactured according to Chinese national standard

Ω Adjusting closing and latching speed by dual regulating screws

Ω High Grade Hydraulic Fluid for Smooth Running and Lubrication

Ω Application: for medium duty door weight 60-85kg

Ω Core Advantage: Medium Duty, Economical Type

Ω Medium Duty Overhead Metal Door Closer for Residential Door

Ω Casting aluminum closer cylinder with standard steel arm

Ω Fixed Closing Power Size 4 , width suitable max 1100mm

Ω Alternative Function - Internally Installed Hold Open

► Reliable cooperative manufacturer of world's top door security trade mark

Finishes - Painted : Aluminum, White, Bronze, Gold, Black, Brown

* SPRING FORWARD, EASY CLOSING: the standard steel swing arm will not impact

opening, meanwhile shut doors gradually to allow for graceful entry and exit

* CONSUMMATE CRAFTSMANSHIP: even operation, no oil leakage, noiseless

* SOFT, NO MANUAL CLOSING : let the door close by itself, enjoy self-driven shutdown

and lock, maintain quiet and sureness.

           ------------ Our Advantages ------------

                     1.   Only produce door closer, annual output 1.5-2.0mils pcs.

                     2.   UL & CE certification, max. Life cycle test of 5 mil. Cycles.

                     3.   Pass European & China ISO9001:2015 QMS Certification.

                     4.   Mainly for export market since foundation in October, 2011.

                     5.   Long term cooperative supplier of world’s top security brands.

A High-end Germany Gating Hardware Brand

Originally founded in 1872, Dorrenhaus is a high-end Germany gating hardware brand. At the beginning of 1980's,

Dorrenhaus entered into Chinese market, and supplied numerous households in China with high quality hardware products.

On October 10, 2011, Dorrenhaus's door closer manufacturing base in China - Zhejiang Dorrenhaus Hardware Industry Co.

Ltd was formally founded. All members of management team have more than 15 years of experience in door closer industry.

Marketing Under Dorrenhaus and DORHAUS Brand

In 2017, our new trademark - DORHAUS was registered. We have $3 million registered capital. Our main products include

hydraulic door closers, automatic door closers, concealed door closers, commercial door closers, fire door closers, auto door

closers, sliding door closers, heavy duty door closers, overhead door closers, UL-listed door closers and door closer parts.

We have 205 total number of employees, which includes seven R&D staff and 13 quality control staff in our

15,000-square-meter factory.

Exporting Products Worldwide

Now, we have six complete production lines with annual output of 1.5 to 2.0 million sets. We export our products to more than

20 countries in North America, Europe, Russia, the Middle East and Southeast Asia. We passed the certification for EN ISO

9001:2008 quality management system in 2014, and ISO9001:2015 in 2017 respectively.

Our products passed many international and domestic certification and standard, such as:

American National Standard: ANSI 156.4 Grade 1, life cycle test of 2mil cycles

American UL228 and UL 10C for 3 hours fire testing

European Standard CE: EN1154, life cycle test of 500,000 cycles

European Standard CE: EN1634 fire testing

China National Standard: QB/T 2698-2005 Grade 1, life cycle test of 1 mil. cycles

China Compulsory Product Certification for fire rated door closer

Cooperate with Us Today

For more detailed information regarding our business, contact us today.