EKOPROMRESURS LLC ABOUT COMPANY PRODUCTS SERVICE CONTACTS Ventilation equipment Refrigeration equipment Air ducts Rectangular section Round section Flexible air ducts For smoke extraction systems Components Rolled metal AIR DUCTS home / Air ducts Rectangular section Round section Flexible For smoke extraction systems For more than 6 years the group of companies "NormalVent" has been manufacturing spiral-wound and rectangular air ducts at a plant in the city of Klimovsk (Moscow region), and manufactures standard fittings. We make any non-standard products according to the customer's sketches. LLC "ECOPROMRESURS" © 2006-2018 Group of companies "Normal Vent"