The weightlessness feeder has core technology and independent research and development force, and has rich engineering application experience in many fields and industries. The weightlessness feeder has the following unique functions and advantages: (1) It can be used in a wide range of applications, such as iron and steel, chemical industry, mining, medicine, pellets, powder, calcium carbonate, talc powder, resin film powder, etc. (2) Danbachs weightlessness feeding machine, such as screw, is e