Kovinoplastika Lož has been marketing its products under the ARX brand since 2007. We offer a wide range of window, door and sliding hardware. Innovative solutions and simple assembly of hardware can satisfy even the most demanding customers with a flexible and efficient production process. ARX building hardware has established itself in the market with excellent quality, reliability and functionality. It offers excellent surface protection which achieved 5th GRADE of surface protection according to EN 1670:2008.