Our blowing mould is made of stainless steel or aluminum which makes the bottle with polishing surface and clear-cut shape. With water circulation device, it shortened the shaping time of bottle and guarantees the quality.
    The advantages of aluminum: good capacity of heat transmission, and light weight speed up the mould processing. The nice cooling system improved the quality. 
    The advantages of stainless steel: nice capacity of corrosion proof keeps running of the watercourse under the difficult circumstance, good polishing perfects the surface of the mould