· ABOUT COMPANY. Mugalzhar Neftestroy LLP has been engaged in the extraction and processing of nonmetallic minerals (diabase) at the Berchogurskoe-4 field since July 2011. According to the administrative division scheme, the deposit is located in the Shalkar district of the Aktobe region, 2.5 km west of the Berchogur railway station, 110 km from ...