... Manufacturing Inc has been making poultry and livestock equipment for more than 20yrs, our main products include poultry feeding ... system, pig feeding system, poultry drinking system, ventilation system, environment controlling ... , diameters (Φ36, Φ38, Φ42, 60, Φ70, Φ90, Φ100) for use in a wide variety of feeding applications. Customizing order ...