Auto Ejection Machine with Automatic Microprocessor has pressure adjustable valve that controls the speed fast/ slow of the mould platen opening and closing and has built-in automatic microprocessor. The Machine has the feature that the valves controls the pressure of the compressed air, excessive air is vent out through a silencer and machine maintenance has manual and semi auto mode. The Machine can have maximum two blowing machines and pre-form carriers and blow cells are easily changeable allowing product versatility. The Machine has two stages, biaxial type stretch blow moulding with simple and unique design and uses combination of pneumatic and hydro pneumatic versions for a better and fast quality output. The Machine has good robustness and ensures long lasting working. The Auto Ejection Machine with Automatic Microprocessor has the feature that constant quality of bottle production is based on the precision rotation of pre-form mandrel and stretch motion.