Company Krušik-plastika a.d. was established in 1975 by Krušik from Valjevo as a plant for plastic mass processing. At first the main activity was production of plastic parts for the needs of Krušik factories and later, with intensive development, new programmes and technologies were developed. Right at the start of business operations (from 1978), a dominant position was secured for programme of production of pipes and tanks from polyethylene and polypropylene by means of extrusion spiral winding technology which is at the core of production today and which makes Krušik-plastika recognizable all over former Yugoslavia and beyond.