Products

We insist around the principle of enhancement of ‘High good quality, Performance, Sincerity and Down-to-earth working approach’ to provide you with superb assistance of processing for China Cheap price Aluminum Hydraulic Door Closer Adjustment for Fire Rated Door, Generate Values,Serving Customer!” is the intention we pursue. We sincerely hope that all clients will establish long term and mutually effective cooperation with us.In case you wish to get additional particulars about our business, Remember to speak to with us now.
We insist around the principle of enhancement of ‘High good quality, Performance, Sincerity and Down-to-earth working approach’ to provide you with superb assistance of processing for China Door Closer and UL Door Closer, Excellent quality comes from our adherence to every detail, and customer satisfaction comes from our sincere dedication. Relying on advanced technology and industry reputation of good cooperation, we try our best to offer more quality goods and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future.

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 insist around the principle of enhancement of ‘High good quality, Performance, Sincerity and Down-to-earth working approach’ to provide you with superb assistance of processing for China Cheap price Aluminum Hydraulic Door Closer Adjustment for Fire Rated Door, Generate Values,Serving Customer!” is the intention we pursue. We sincerely hope that all clients will establish long term and mutually effective cooperation with us.In case you wish to get additional particulars about our business, Remember to speak to with us now.
China Cheap price China Door Closer and UL Door Closer, Excellent quality comes from our adherence to every detail, and customer satisfaction comes from our sincere dedication. Relying on advanced technology and industry reputation of good cooperation, we try our best to offer more quality goods and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future.