In 1987, the heating and plumbing industry, Design Group was established to develop and implement the project, in September of 1992 under-floor heating pipes, water pipes inside the building and then began to produce. Watching Mir Holding is the largest of the group companies. Many educational and promotional activities to promote the use of plastic pipe to regulate Design Group; Corlu, Azerbaijan and production facilities in Trabzon, 35,000 m² and 100,000 m² closed above the open space on the production. Each year, about 5% of its turnover in R & D spending Design Group has developed each of the products has been certified by independent international organizations.