... foreign technology. It is the advanced, ideal vacuum transporting machine for powder material, granule material or the mixture of powder ... can transport the material into the hopper of the packing machine, granulator, pulverizer, etc, also into the mixing barrel ... filter 1set3,vacuum hopper (SS304) 1unit4,Reverse-blow system of compressed air 1set5,pneumatic discharging valve (SS304) 1unit 6,control ...