YD-3500 automatic blow moulding machine 1)modular unit design,minimal space,and flexible parts linear structure,using the special material to make the side plate,and the wheel without nook,working smoothly 2)apply stainless steel ring-shaped anti-pinch device and aluminum cooling device to protect the neck of the bottle from distortion while heating, thus improve leak-proofness between bottles and caps,and prolong the guarantee period. 3)each heat-balancing device with independent infrared lamps guarantee the uniformity of the color of the bottle and enhance yield rate of the products. 4)apply large flow blowing device with the features of being able to pre-blow and adjust. 5)apply pre-blowing and blowing device with photoelectric control, bringing no influence to stretching time by the fluctuation of air pressure, thus realizing same thinkness for the whole bottle