The KSA80-30L car air duct irregular blow molding machine adopts temperature control, frequency conversion, regulation, environmental protection and energy saving, with much greater clamping force than usual, stable, and the system is all computer-controlled. Hollow blow molding machine is easy for most people to operate, easy to understand, and reliable in operation. Stable, with a single workstation; Dual station, various, with different places. The equipment for dual station and dual station depends on the required capacity. Raw materials, which can be used with high and low pressure materials, are suitable for various specifications of plastic barrels, chemical barrels, plastic mannequins, roadblock water horses, and various hollow shaped parts in chemical and agricultural industries.