Products

We have been ready to share our knowledge of advertising worldwide and recommend you suitable products at most aggressive costs. So Profi Tools present you ideal price of money and we’ve been ready to create with each other with Free sample for D30 UL Listed Concealed Hidden Sliding Arm Door Closer for 40-65kg Door Width 950mm, Leading the trend of this field is our persistent purpose. Furnishing 1st class merchandise is our purpose. To make a beautiful long run, we would like to cooperate with all buddies at home and abroad. Should you have any interest inside our products, you should will not wait to get in touch with us.
We have been ready to share our knowledge of advertising worldwide and recommend you suitable products at most aggressive costs. So Profi Tools present you ideal price of money and we’ve been ready to create with each other with China Door Closer and Concealed Door Closer, All of our items comply with international quality standards and are greatly appreciated in a variety of markets around the world. If you are interested in any of our items or would like to discuss a custom order, remember to feel free to contact us. We are looking forward to forming successful business relationships with new clients in the near future.

The D4016 Series features a single-piece cast aluminum body and a 1-3/8” heat-treated steel piston, a heat-treated pinion and staked valves. The D4016 Series standard door closer is certified ANSI/BHMA A156.4 Grade 1, is UL listed and is backed by a 10-year warranty.

*In case of unusually high or heavy doors, windy or draughty conditions, or special installations, a large power size of door closer should be used.

Dorrenhaus comprises R&D center, testing laboratory,manufacturing center and sales dept, has over 10 in-service engineers and research specialists. Since it was founded, developing High performance door control products has always been the objective of Dorrenhaus. Dorrenhaus people have continuously tried to improve product quality, introducing oversea high and new technical equipment,giving our company good technical capabilities. Moreover, all of our R&D engineers has more than 20 years experience in door closer industry.

WE ARE DORRENHAUS
WE STARTED AS A FAMILY BUSINESS, OVER 140 YEARS AGO!
Dorrenhaus brand was originated in 1872 in Germany,with the development and progress, Dorrenhaus successor decide to invest door closer factory in China.In 2011,Zhejiang Dorrenhaus Hardware Industrial Co.,Ltd was formally established.

They disable the self-closing function of a fire protection door in a controlled way. This means that they keep fire protection doors open, but automatically release them in the event of a fire so that door closers can do their job.

We have been ready to share our knowledge of advertising worldwide and recommend you suitable products at most aggressive costs. So Profi Tools present you ideal price of money and we’ve been ready to create with each other with Free sample for D30 UL Listed Concealed Hidden Sliding Arm Door Closer for 40-65kg Door Width 950mm, Leading the trend of this field is our persistent purpose. Furnishing 1st class merchandise is our purpose. To make a beautiful long run, we would like to cooperate with all buddies at home and abroad. Should you have any interest inside our products, you should will not wait to get in touch with us.
Free sample for China Door Closer and Concealed Door Closer, All of our items comply with international quality standards and are greatly appreciated in a variety of markets around the world. If you are interested in any of our items or would like to discuss a custom order, remember to feel free to contact us. We are looking forward to forming successful business relationships with new clients in the near future.