Airtech The Long takes pride in being one of Vietnam's leading cleanroom equipment manufacturers. Airtech The Long's main products include cleanroom and laboratory equipment, air control and purification systems for operating rooms, hospitals, large building systems, and residential use. We design, provide solutions, construct, and manufacture cleanroom cabinets, biological safety cabinets, air purifiers, and are one of the very few enterprises in Vietnam capable of producing HEPA air filter panels.