Products

In the past few years, our organization absorbed and digested state-of-the-art technologies equally at home and abroad. Meanwhile, our enterprise staffs a team of experts devoted towards the growth of 100% Original UL&CE Listed Light Duty Automatic Door Closer D503 Series, We have been self-assured to make excellent achievements within the future. We’ve been looking forward to becoming one within your most trusted suppliers.
In the past few years, our organization absorbed and digested state-of-the-art technologies equally at home and abroad. Meanwhile, our enterprise staffs a team of experts devoted towards the growth of China Aluminum Door Closer and Door Closer Hinge, We welcome an opportunity to do business with you and hope to have pleasure in attaching further details of our products and solutions. Excellent quality, competitive price, punctual delivery and dependable service can be guaranteed. For further inquires please do not hesitate to contact us.

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

In the past few years, our organization absorbed and digested state-of-the-art technologies equally at home and abroad. Meanwhile, our enterprise staffs a team of experts devoted towards the growth of 100% Original UL&CE Listed Light Duty Automatic Door Closer D503 Series, We have been self-assured to make excellent achievements within the future. We’ve been looking forward to becoming one within your most trusted suppliers.
100% Original China Aluminum Door Closer and Door Closer Hinge, We welcome an opportunity to do business with you and hope to have pleasure in attaching further details of our products and solutions. Excellent quality, competitive price, punctual delivery and dependable service can be guaranteed. For further inquires please do not hesitate to contact us.