SIV Series blow molding machine is great equipment for producing BOPP IV bottle. It adopted smart high-accurate auto voltage control system the equipment can accurately control preform temperature and greatly save manpower, raw material and energy. Preform molding uses servo preform loading system, Servo mold clamp system, unique rotary convey system, preform loading system and two-step servo stretch molding system which can accurately control stroke and guarantee even bottle thickness. Besides, the equipment uses user friendly interface and has Tele-diagnosis system to ensure safer and more reliable running.