InssTek are a South Korean metal 3D printer manufacturer who currently sell 3 different printers. These printers are based on Direct Energy Deposition (DED) technologies, similar to Sciaky and Optomec.

The MX-600 is the mid-range system offered by InssTek. The printer weighs roughly 4,500kg, and has a maximum print volume of 450 x 600 x 350 mm.