Uchaly_Mining_and_Metallurgical_Combine
Uchaly Mining and Metallurgical Combine (UMMC or UGOK Russian: Открытое акционерное общество «Учалинский горно-обогатительный комбинат», Bashkir: «Учалы тау-байыҡтырыу комбинаты» Асыҡ акционерҙар йәмғиәте) is a Russian metallurgical combine based in Uchaly, Bashkortostan. In 2016, UMMC incorporated Chelyabinsk Zinc Plant (CZP) and became the largest producer of zinc concentrate in Russia.[1]