Anguil Environmental Systems - Air pollution control resource. Includes helpful introduction to pollution control, advanced emission control technologies, technology descriptions and compliance assistance links. Lev Co - Offers dust extraction and exhaust ventilation systems. Provides customers with air purification systems for industries ranging from restaurants to auto body shops. Alpha Industrial Engineering Projects Pvt. Ltd. - Manufacturers of HVAC, fume extraction and dust extraction systems, jewellery manufacturing machines, battery manufacturing machines and air pollution control equipment. Mumbai, India. IndAir - Designer, manufacturer and installer of air pollution control equipment specialized in dust collectors, centrifugal impellers, rotary airlocks, wet scrubbers and centrifugal fans. Chennai, India. Konversmash - Developer and manufacturer of dust and gas purification systems and freon-free thermoelectric conditioners for use in underground quarries, mining and oil conversion industries. In Russian and English. Pollution Systems Solutions - Industrial air pollution control products and services. Provides information on different air pollution control technologies including thermal oxidizers, heat recovery and wet scrubbers. ShayanTarh Ltd. - Designer and manufacturer of dust collection equipment. Also offers consulting services and components. Iran.