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-1000 is the top-range system offered by InssTek. The printer weighs roughly 6,000kg, and has a maximum print volume of 1000 x 800 x 650 mm.