Products

Our business aims to operating faithfully, serving to all of our buyers , and working in new technology and new machine continuously for Wholesale Heavy Duty Adjustable Automatic Door Closer Automatic Gate Door Closer, We’ve been willing to provide you with the lowest selling price during the market place, greatest high quality and quite nice sales service.Welcome to do bussines with us,let’s be double win.
Our business aims to operating faithfully, serving to all of our buyers , and working in new technology and new machine continuously for China Automatic Door Closer and Door Closer Automatic, Our company always concentrate on the development of the international market. We have now a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.

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 business aims to operating faithfully, serving to all of our buyers , and working in new technology and new machine continuously for Wholesale Heavy Duty Adjustable Automatic Door Closer Automatic Gate Door Closer, We’ve been willing to provide you with the lowest selling price during the market place, greatest high quality and quite nice sales service.Welcome to do bussines with us,let’s be double win.
Wholesale China Automatic Door Closer and Door Closer Automatic, Our company always concentrate on the development of the international market. We have now a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.