This round bottle positioning labeling machine, equipped with a long adhesive roller, is specifically designed for applying labels to the circumferential surface of cylindrical containers. It supports both single-label and double-label applications, with the distance between front and back labels being flexibly adjustable. This machine is ideally suited for labeling round bottles such as gel water bottles, food cans, and other cylindrical products. It is widely used across the cosmetics, food, pharmaceutical, and disinfectant industries, providing a professional and consistent labeling solution for various round container types.