Products

Our organization sticks for the principle of “Quality will be the life of your business, and name may be the soul of it” for New Fashion Design for Commercial Hydraulic Two Speed Fire Aluminum Door Closer for Door Closing, Our merchandise are widely recognized and trustworthy by users and can satisfy continuously changing economic and social needs.
Our organization sticks for the principle of “Quality will be the life of your business, and name may be the soul of it” for China Door Closer and Lid Stay, Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we’ve been working hard to provide you the wholehearted service and willing to present you the most competitive price in the market

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

Our organization sticks for the principle of “Quality will be the life of your business, and name may be the soul of it” for New Fashion Design for Commercial Hydraulic Two Speed Fire Aluminum Door Closer for Door Closing, Our merchandise are widely recognized and trustworthy by users and can satisfy continuously changing economic and social needs.
New Fashion Design for China Door Closer and Lid Stay, Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we’ve been working hard to provide you the wholehearted service and willing to present you the most competitive price in the market