Being active since 1972 at woodwork as a private company, the company has been active as GUMUSAY Ins. San. Tic. Ltd. Sti. since 1994. The company has the oldest dealer title of ERPEN of which it has been the dealer for 15 years at woodwork, aluminum joinery and PVC door and window. The company has the principle of stability with suppliers and trade companies. Since the foundation the company has applied to big deals and delivered them at best. The company is one of the leading companies in Turkey which has reached 150 joinery manufacturing capacity per day with its CNC profile machine tool which works with robot technology in BATMAN ORGANIZED INDUSTRY ZONE since February of 2009. The company works with Provincial Directorate of Public Work and TPAO Regional Directorate all the time. Having TOKI experience the company delivered the 304 residences and Midyat TOKI with social equipments on time. In our facility we founded to be able to seek major projects we are the distributor of profiles, prefabricated doors, windows of ERPEN and POWERLINE in 5 cities as well as manufacturing PVC Window with CE Certificate.