BVL-420 is specially designed for back-sealing bags and pin-back sealing bags. It is suitable for smaller back-sealing bags. The bag width it can make is 80-200mm and the bag length is 80-300mm. The fastest can reach 80bag/min. It can package salt, chicken essence, white sugar and other granules, as well as water, oil and other liquids, and has a wide range of applications.