Aluminum Automatic Sliding Door Closer with Hold Open Slide Back for Wooden Door

Even and smooth running, lubricating oil tight, noiseless

Dorrhaus automatic sliding door closer D1004H, applicable for door weight 20 - 45kg.

By double adjusting screws, the closing and latching speed can be controlled

easily, is suitable for both left open door and right opened door.

Ω European style sliding arm door closer for residential wooden door

Ω Precise casting aluminum body & auto slide back aluminum sliding arm

Ω Rack and pinion type, twice high heat treatment with needle bearing

Ω Adjustable closing & latching speed regulated by double controlling screws

Ω Standard adjustable back check function, hold open unit is for optional

Ω Max opening angle 180 degree, normally open angle from 90º to 120º

Ω Applicable Temperature: -40℃ to 45℃, suitable for extreme cold area

Ω Designed for surface mounted regular arm and top jamb mounting

Ω Fixed Spring Force #4, i.e. closing force #2, best for residential room door

Ω Fuchs hydraulic door closer fluid for constant operation and lubrication

► Stable cooperative manufacturer of global top door closer trade mark

Painted Color - Aluminum, Bronze, White, Gold, Black, Brown

* SPRING THRUST, EASY CLOSING: the aluminum sliding arm won’t interfere with opening,

while closing the door slow enough to allow for elegant entry and exit

* SOFT, NO MANUAL CLOSING : let the door close by itself, enjoy automatic shutdown and

lock, maintaining quiet and safety closing and latching.

           ------------ 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.