Newamstar's water filling machine adopts technology of air conveyor direct connect with bottle infeed starwheel instead of screw and conveyor. It is easier and more simple to change over bottle size. Adopt neck handling technology to convey bottles. There is no need to adjust the height of equipment and only need to change some spare parts. The bottle-out starwheel is helical structure. While changing over bottle size, it is no need to adjust bottle-out conveyor height.