Since 2010, composite silicon insulator, which provides ease of use compared to porcelain insulators in energy distribution lines, has started to be used and it is also included in TEDAŞ and TEİAŞ specifications and demands composite insulators in its tenders. Our company has been successfully added to reference lists with POSITIVE RESULTS in silicon insulator tenders in many TEIAS, TEDAS and its Establishments, and PRATEK brand composite silicon insulators are still working in energy distribution lines.