Characteristics This Two-Step reheat blow molding machine outputs finished bottles. Consisting of the blow module from the One-Step mass production PB Series, it is a blow molding machine combining excellent product stability with high economy. Heater and blow systems are modular to assure common specifications throughout the series, providing even better cost performance ratios. When used together with the PM Series preform molding machines, the result is an integrated production line that delivers defect-free, beautiful PET containers.