Silent Closing Small Door Closer Speed Adjustable Regular Arm For Residential Door

• Certifire of China Compulsory Product Certification
• No abnormal noise, no oil leakage, smooth running
• Favourite model, widely used in residential doors

Dorrenhaus door closers D300 series are popular models in domestic market, it's

widely used in residential application. With main material of aluminum, it is light

and strong. Pass fire rated test, obtain Certificate of China Compulsory Product

Certification.

Ω Automatic Small Door Closer Soft Close for Medium Duty Residential Usage

Ω Closer appearance: small body, soft with its dimension, temper force with grace

Ω Suitable for low traffic residential applications including family room or closets

Ω Fuchs brand qualified hydraulic fluid for continuing closer running lubrication

Ω Non handed installation, designed for top jamb or regular arm mountings

Ω Rack and pinion type, powder bearing contained in precised aluminums housing

Ω Dual adjustable valves, one controls sweep speed, another for latching speed

Ω Silent closing force size 3 and 4, suitable for 950mm to 1100mm door width

Ω Core Superiority: domestic well sold model, meet Grade 2 of national standard

Ω Comply with the standard of national door control standard: GA 93-2004

► 7 years cooperative vendors of global famous door control brands

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

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

shutdown and lock, maintaining quiet and safety

* SPRING THRUST, SOFT CLOSING : precise cast steel swing arm will not impact

opening, while closing doors silent enough to allow graceful entrance and exit

* ADVANCED TECHNOLODY: smooth running, oil tight, no noise

           ------------ 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.