Products

We have been also concentrating on enhancing the things management and QC method so that we could preserve terrific edge inside the fiercely-competitive enterprise for Manufacturer of Wholesale Price Conceal Hydraulic Press Sliding Door Closer, At present, firm name has more than 4000 kinds of products and gained superior track record and big shares on market place domestic and overseas.
We have been also concentrating on enhancing the things management and QC method so that we could preserve terrific edge inside the fiercely-competitive enterprise for China Door Hardware and Floor Spring, We’ve been fully aware of our customer’s needs. We provide high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near 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 have been also concentrating on enhancing the things management and QC method so that we could preserve terrific edge inside the fiercely-competitive enterprise for Manufacturer of Wholesale Price Conceal Hydraulic Press Sliding Door Closer, At present, firm name has more than 4000 kinds of products and gained superior track record and big shares on market place domestic and overseas.
Manufacturer of China Door Hardware and Floor Spring, We’ve been fully aware of our customer’s needs. We provide high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near future.