... (kg) 186kg Working Efficiency(m2/h) 260 1 NJ250 road milling machine usage:To remove the ground coating, paint, a ... or concrete floor were moderate milling, cleaning, picking operations 2 Features1).With milling depth dial,milling depth can be precisely controlled ... road, epoxy resin, wear-resisting ground; 6.Remove the old floor surface when the ground is damaged and need renovation small road milling ...