Twin Turret Vertical Turning Centre is available in the outer cutting diameters of 450mm, 650mm and 800 mm. Hi-Tech CNC Marketing & Services supplies Twin Turret Vertical Turning Centre. Hi-Tech CNC Marketing & Services offers a wide range of CNC Machines like turning centre, Surface Grinder, Milling Machine, Unclamp Cylinder, Pallet Changer and drilling machine. The Twin Turret Vertical Turning Centre of models VLT-130 / 170 and VLT-220 is a computer numerical controlled machine used in various industrial applications.