Yonar Company has begun its activities since 1984 in the field of production and collection of sensitive and complex industry parts. Since 2008, upon the need of internal market and also to get in line with the independence policies of the country, manufacturing complement sheets received great attention from engineering, research, and expansion office. The project initiated after supplying the corresponding technological means form Germany and Spain and 15 months of ceaseless effort. Finally in 1390 we managed the mass production of the sheets for the first time in Middle East.