1946 Dr. h.c. Erich Doering started the family business in
Germany, near Munich
1963 Gained DIESEL-award of Germany outstanding innovations
1964 Automation reached an output of 1 garage door every 1.5 minutes
1967 The world's first automated riveting machine has been
developed and used in the mass-production of garage
doors
1968 The automatic production-line for garage doors has been further pushed towards high efficiency and high precision
1970 Established company for production Garage Door Openers in Germany
1976 Established company for production and sales in Austria
1978 Established the company for production and sale of
garage doors in Switzerland
1985 Mass-production of Garage-Door openers started
1995 The sales-network exceeds over 3000 agents
1996 Over 700 international patents have been registered by the Doering family
2000 Sales and Service center established in China
2003 twinDOOR introduced new products in its sales network-adding high-quality, unique products for the construction-industry and the house-owner to its sales network
2005 Sales and Service center established in the Middle East (UAE)
2006 Successfully supplied & installed the garage doors for The Palm Jumeirah in Dubai (UAE)
2007 Successfully supplied a large quantity of industrial doors to the largest construction project in India's history

Combining over 60 years of experience, over 700 international patents and being outstanding innovator in the field of garage doors, we are proud that over one million satisfied users worldwide use our patented technology