zk-55D Model full automatic extrusion blow molding machine---is double station machine,this machine can have from 1 to 4 heads to meet the demand of different output and different product size for customer.This model is full-automatic process with low noise,saving energy,high efficiency,safe operation,easy maintenance and other benefits.This model is widely used to produce bottles of wine,pesticide,detergent,cosmetic,medicine,mobile oil and other hollow products,such as food containers,toys,balls,chemical barrel,water jug,etc.This model can produce max