Products

We emphasize enhancement and introduce new solutions into the market just about every year for Big discounting Stable Quality for 20years Automatic Swing Door Operators Opener Electric Door Closer, Many years of work experience, we have realized the importance of giving top quality solutions and also the ideal before-sales and after-sales solutions.
We emphasize enhancement and introduce new solutions into the market just about every year for China Double Swing Door Closers and Automatic Swing Door Opener, So We also continuously function. we, focuse on high quality, and are conscious of the importance of environmental protection, most of the merchandise are pollution-free, environmentally friendly products, reuse on the solution. We have Updated our catalog, which introduces our organization. n detail and covers the primary products we offer at existing, You may also visit our web-site, which involves our most recent product line. We look forward to reactivating our company connection.

Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics

*In case of unusually high or heavy doors, windy or draughty conditions, or special installations, a large power size of door closer should be used.

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.

We emphasize enhancement and introduce new solutions into the market just about every year for Big discounting Stable Quality for 20years Automatic Swing Door Operators Opener Electric Door Closer, Many years of work experience, we have realized the importance of giving top quality solutions and also the ideal before-sales and after-sales solutions.
Big discounting China Double Swing Door Closers and Automatic Swing Door Opener, So We also continuously function. we, focuse on high quality, and are conscious of the importance of environmental protection, most of the merchandise are pollution-free, environmentally friendly products, reuse on the solution. We have Updated our catalog, which introduces our organization. n detail and covers the primary products we offer at existing, You may also visit our web-site, which involves our most recent product line. We look forward to reactivating our company connection.