... main machine: Nozzle, grading rotor, grinderThe necessary supplementary equipment: Feeder, cyclone collector, dust-remover, etc.Materials to be packedBuilding ... , chilli powder, zinc powder, iron powder, copper powder, black carbon, bentonite, boron carbide, molybdenum powder, limestone, zeolite powder, chromium powder, wollastonite, carborundum, potash feldspar powder, opal powder, diantimony ...