Products

We get pleasure from a very very good standing between our shoppers for our fantastic product quality, aggressive price as well as very best support for Factory Directly supply CE Certificated Hydraulic Automatic Door Closer D503, With the development of society and economy, our company will hold a tenet of “Focus on trust, quality the first”, moreover, we assume to produce a wonderful foreseeable future with every customer.
We get pleasure from a very very good standing between our shoppers for our fantastic product quality, aggressive price as well as very best support for China Door Closer and Aluminum Door Closer, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question items they do not understand. We break down these barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .

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

We get pleasure from a very very good standing between our shoppers for our fantastic product quality, aggressive price as well as very best support for Factory Directly supply CE Certificated Hydraulic Automatic Door Closer D503, With the development of society and economy, our company will hold a tenet of “Focus on trust, quality the first”, moreover, we assume to produce a wonderful foreseeable future with every customer.
Factory Directly supply China Door Closer and Aluminum Door Closer, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question items they do not understand. We break down these barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .