... or Aluminium alloy,etc., Process : Sand Casting , Gravity Casting , Low-pressure die casting , High-pressure die castingSpecification Drawings : Pro/E , Auto CAD , Solidwork , CAXA UG , CAD ... , powder coating are finished inside. except for the Die Casting process, also with the Die stamping, Auto-punching inside.Advantage : 1one stop solution2Competitive solution3fast ...