Hot top casting is the most extensive adopted half continuous aluminiumand aluminium alloy casting at present. Advantage: advanced design, good safety, easy auto-operation, adaptbility, bar casted with good quality and high efficiency and adopted instant frequency motor with constant power and torque, making casting fluctuation more stable. Configuration: adopted combined and leaching crystallizer making the billet surface more smooth and clean, superior inner construction. Products in market: (50 400)mmx(70 1400)mmx(6500)mm