The production of air ducts and fittings (bends, transitions, tees, etc.) for ventilation systems (galvanized, stainless and black steel). Manufacture of non-standard products according to customers sketches. The ducts are spiral-wound and welded. The ducts are round and rectangular. Round-the-clock production. Free delivery across SPB and Len.obl. own transport; Strict observance of terms of production; the Possibility of deferred payment for regular customers; Fixed discounts.