In metallurgy, building materials, chemical industry, food and other industries in different process of powder, granular,field, block (irregular block), tablets, flocculation, viscosity and other material in different forms, a reasonable choice ofweighing and batching of different methods. Such as hopper scale can be used: single bucket unblended; single bucketmultiple material; bucket multiple feeding modes. According to the different industry site, hopper scales can also useconventional measurement and vector weight measurement (zero method and reduction method) and different ways of working.