EXTRAPLAST Company was established in 1992 in Tryavna town with production of plastic products. The building sphere is our priority for the development of the firm so it comes to perfection in the manufacture of dowels for universal application. At the moment the company presents the dowels MISCHO CO. The collection is extensive as regards to diameters and lengths of dowels, as well as universal for application in various types of building materials. The extended working part of the dowels increases the chances of making attachments in bricks. EXTRAPLAST Ltd. is one of the biggest producers of thermal insulation dowels witch are certified with BTO. The company produces dowels for some of the largest distributors in the country.