... 1)over 12 years experience in die casting business 2)we make moulds and all production process by ourselves 3 ... and spec/OEM 4) ISO9001:2000 Certified Materials: Iron or Aluminium alloy,etc., Process : Sand Casting , Gravity Casting , Low-pressure die casting , High-pressure die ... are finished inside. except for the Die Casting process, also with the Die stamping, Auto-punching inside.Advantage : 1one ...