Wikipedia
Ventprom
Ventprom is a Russian machine building plant located in Artyomovsky, Sverdlovsk Oblast, Russia. The factory produces ventilation equipment, such as main mine ventilation fans, for a number of large mining companies, including Lukoil, SUAL Group and others. The full name of the company is Joint Stock Company Artyomovsky Machine Engineering Plant VENTPROM (АО «Артемовский машиностроительный завод «ВЕНТПРОМ»). It is a private company. The name ВЕНТПРОМ means "fan industry".