Products

For a result of ours specialty and repair consciousness, our business has won a very good name among the clients all around the globe for 2019 Good Quality Concealed Door Closer (100 Series) Concealed Overhead Closer, “Invisible”Door Closer, We have been prepared to offer you the top suggestions on the designs of one’s orders in a professional way if you need. During the meantime, we retain on developing new technologies and building new designs so as for making you ahead within the line of this business.
For a result of ours specialty and repair consciousness, our business has won a very good name among the clients all around the globe for China Door Closer and Door, Business philosophy: Take the customer as the Center, take the quality as the life, integrity, responsibility, focus, innovation.We are going to supply expert, quality in return for the trust of customers, with most major global suppliers?ê?all of our employees will work together and move forward together.

Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics

CE marking is a key indicator of compliance with European Union legislation. All products which fall within the scope of the EU’s New Approach Directives and comply with all essential requirements must carry the CE mark.

As closers for fire/smoke doors have a critical safety function, application of the CE mark requires independent verification by a notified certification body involving initial type-testing of the product to BS EN 1154 and/or BS EN 1155, inspection of the manufacturer’s factory production control and continuing surveillance and approval of the factory production control system.

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.

*Recommended for, but not limited to interior doors including:
Aftermarket: Office doors, Utility doors, Storage doors
Storefront: Retail/Outlet malls, Convenience stores, Warehouse doors

For a result of ours specialty and repair consciousness, our business has won a very good name among the clients all around the globe for 2019 Good Quality Concealed Door Closer (100 Series) Concealed Overhead Closer, “Invisible”Door Closer, We have been prepared to offer you the top suggestions on the designs of one’s orders in a professional way if you need. During the meantime, we retain on developing new technologies and building new designs so as for making you ahead within the line of this business.
2019 Good Quality China Door Closer and Door, Business philosophy: Take the customer as the Center, take the quality as the life, integrity, responsibility, focus, innovation.We are going to supply expert, quality in return for the trust of customers, with most major global suppliers?ê?all of our employees will work together and move forward together.