Qingdao Xinfutai Science And Technology Co., Ltd. is a professional livestock and poultry equipment designer and manufacturer. With more than 20 years' hard working, we have been one of the best companies in this field in China. Our main products include poultry chain style automatic feeding systems, pan style automatic feeding systems, nipple automatic drinking systems, laying houses, ventilation-cooling systems, environmental control systems and so on. Our operation philosophy is "quality, ...