Disa technology Vertical flaskless  sand molding machine (hereinafter referred to as the molding machine) is suitable for mass production of medium and small cast iron parts (gray cast iron, malleable cast iron, ductile cast iron), which has high production efficiency, casting dimensional accuracy and surface quality, and noise. Small, low labor intensity, simple group line, small auxiliary space, small investment, low investment in construction and construction, energy saving and good working environment.