... by pure stainless steel.popular is livestock and husbandry field.professional pig nipple drinker manufacture.competitive price and best quality. ... livestock,livestock products,pig equipment,pig equipments,egg incubator,incubator,incubators,poultry equipment,poultry equipments,chicken incubator ,chicken cage,incubator egg ... nipple cup,chicken drinker, drinker, pet drinker, Animal Watering Equipments