Products

We stick to the principle of “quality to start with, service initially, continual improvement and innovation to meet the customers” for your administration and “zero defect, zero complaints” as the standard objective. To fantastic our service, we offer the products using the very good high quality at the reasonable price for Trending Products Adjustable Door Spring Hydraulic Spring Floor Door Closer, Any interest, remember to really feel absolutely free to make contact with us. We’re hunting forward to forming prosperous small business relationships with new consumers within the environment while in the in the vicinity of long term.
We stick to the principle of “quality to start with, service initially, continual improvement and innovation to meet the customers” for your administration and “zero defect, zero complaints” as the standard objective. To fantastic our service, we offer the products using the very good high quality at the reasonable price for China Floor Spring and Door Closer, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

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 stick to the principle of “quality to start with, service initially, continual improvement and innovation to meet the customers” for your administration and “zero defect, zero complaints” as the standard objective. To fantastic our service, we offer the products using the very good high quality at the reasonable price for Trending Products Adjustable Door Spring Hydraulic Spring Floor Door Closer, Any interest, remember to really feel absolutely free to make contact with us. We’re hunting forward to forming prosperous small business relationships with new consumers within the environment while in the in the vicinity of long term.
Trending Products China Floor Spring and Door Closer, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.