Automatic Fire Door Closer D903 European B2B Platform Most Popular Model

• EN 1154 / EN 1634 CE Door Closer Performance Certification
• Smooth Operation, No Oil Leakage, No Abnormal Sound
• European B2B Platform Popular Model, Meet CE Standard

Ω CE marked Euro design automatic fire door closer for residential door

Ω European B2B platform most popular model, Hafele best sell type

Ω Rack and pinion structure, high-heat treated needle bearing and rack

Ω Classic European style, elegance and graceful with streamlined design

Ω Precision casting aluminum closer housing and steel rocker arm,

Ω Adjusting speed back-check available, sliding track arm optional

Ω Door open angle range: 180 degree

Ω Adjustable closing & latching speed, close automatically

Ω Fixed closing force size #3 & #4

Ω Meet BS EN1634 standard, up to 3 hours fire rating

Ω Accord with BS EN1154 standard, life cycles of 500,000 plus

► Long-term cooperative supplier of global famous security brand

Closer Finishes - Aluminum, Brass, Duro, Brown, White, Black

* SPRING FORWARD, EASE BACK: commercial-level swing arm will not impact opening,

meanwhile shut doors gradually to allow for graceful extry and exit

* Gentle, no manual closing: the door will closer by itself, enjoy self-driven shutdown

and lock, maintain quiet and sureness.

* Advanced workmanship:even running, oil tight, no abnormal sound

           ------------ 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.