Type DR50-50-12D three in one machine is used for filling carbonated drink. The machine contains washing filling and capping with complete automation, suitable for filling carbonated drink into polyester bottles and PET bottles. It can be used for all kinds of bottles. The neck-hanging technology makes the process of changing bottles easily by only adapting the height of conveyor chain. The filling process adopts the micro-pressure technology, which makes filling process faster and more stable. Compared with other equipment of the same kind this machine possesses a better quality and thus enjoys a high ratio of function against price.