HB300 Blow Molding Machine Used For Producing Round Table, Surfboard, Super Large Water Tank, Digestion Tank, Kayak,Solar Water Heater Inner Container And Other Super Large Plastic Hollow Products By Wide Range Of Plastic Materials. The Accumulation Die head Max Volume Is 40L-70L, The Energy Saving Of Servo Hydraulic System Reaches Up to 33% Adopting Our Patent Energy Saving Technology. At the same time we provide single, double, three layers of accumulator die head to for customer needs