... drawing . 1)over 12 years experience in die casting business 2)we make moulds and all production process ... Materials: Iron or Aluminium alloy,etc., Process : Sand Casting , Gravity Casting , Low-pressure die casting , High-pressure die castingSpecification Drawings : Pro/E , ... , powder coating are finished inside. except for the Die Casting process, also with the Die stamping, Auto-punching inside. ...