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| 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
