The Blueberry Jam Sachet Packaging Machine is designed for automatic filling and sealing of viscous products such as blueberry jam, fruit preserves, sauces, honey and other paste-like materials. It can complete bag forming, quantitative filling, sealing and cutting in one continuous process, helping improve packaging efficiency and reduce manual operation. According to the viscosity and particle content of the jam, the filling system can be configured accordingly to achieve more stable dosing and cleaner sealing. It is suitable for small sachet packaging used in food service, retail, hotel, catering and sample-size applications.