Surface-mounted door closer

European standard door closer

Concealed door closer

American Standard Door Closer

Ground springs

2011

Founded in 2011

45000㎡+

The construction area of the plant

200+

Employees

100+

Special machine tools for door closer processing

2.8 million+

Annual output of door closers

Company Introduction

Dorrenhaus is an expert in production of UL and CE certified door control products that stand for the highest standard you could find in China and even worldwide. Every single piece of our product is only released in the market after the most strict inspections starting from raw material to packaging details. Our ANSI/BHMA grade products are the most popular in the North America markets including mainly the USA and Canada. Most of our door closer products are rack and pinion mechanism in iron cast or aluminum controlled by independent sweep, latch speed and back check valves. The models with ANSI/BHMA certificates come with delay action functionality as option and meet ADA requirements. We have also CE certified products oriented for European markets which were manufactured according to EN1154 standard. All of our door closer products are non-handed. Same case applies to our floor spring, door hinge, mortise lock and panic bar products. We offer an excellent service that makes international business easy and profitable. We have very close partnership with well known brands as their long term strategic supplier in China. During those years of partnership with our global partners, we’ve learned the importance of innovation and discipline. With Dorrenhaus, you get the opportunity to work with the most trusted brand in China.