ABOUT US
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.
2011
45000
Floor space
Strong factory background
100+
Precision equipment
280+
Annual output
ABOUT Dorrenhaus
Since the day we invented the modern pipe wrench, we’ve made it our mission to build for the world's expert tradespeople – those who know the limits of the job and how to exceed them.
These tools operate in extremes of heat and cold, withstand dirt and mud, and perform reliably day in and day out. Edrill tools are known the world over as industry-leading products that allow professionals like you to complete jobs more quickly and reliably.
Production workshop
Some invent to change the world, at Edrill we invent for those who build it. In 1923, we invented the modern pipe wrench and since then everything that carries the Edrill name has been designed and crafted for strength, effectiveness and legacy.
Some of our customers tell us stories of the things they built, while others tell the stories of the men and women who came before them. Our tools are handed down from Father to Son and from Grandfathers to Granddaughters. We love that, and we honor the strength and spirit of those past, present and future who proudly choose Edrill.
Our certificate
