H-type structure, high quality zinc coated sheet; Reliable and durable structure, low cost for maintenance; High quality zinc coated feed trough, good corrosion resistance; Running feeding, feed placed uniformly; Strong sheet metal feed trough, directly stand on it for daily patrol; Vertical lattice structure to fit the mouth of duck and ensure that the duck pops out only for eating; Clean and healthy waterline drinking, convenient for adding medicine for epidemic prevention; High quality Al-Zn coated wire to prevent the corrosion of bottom net by duck feces.