... for more than 20yrs, our main products include poultry feeding system, pig feeding system, poultry drinking system, ventilation system, environment controlling ... system, etc. We are an auger manufacturer in China with a tech-accumulation for more than 10 ... diameters (Φ36, Φ38, Φ42, 60, Φ70, Φ90, Φ100) for use in a wide variety of feeding applications. Customizing order ...