BLOWER FOR PET AUTOMATIC Step: The standard operation of automatic stretch blow molding machine includes four steps as follow Step 1. Put the preform into preform container and the conveyer will take the preform to orientation units automatically. Step 2. Load the preform at neck up to preform holder, and then preform is conveyed into baking tunnel. Step 3. After heating, preform is conveyed into the blow station, then close the mold, stretch and blow under low pressure and high pressure, exhaust, open the mold. Step 4. The finished bottle is taken off by automatic discharging system