Home › Blog › Buying Guide › From Factory Floor to Your Workshop: Evaluating a Pre-Owned, Used, Secondhand, Surplus CNC Machine Before Purchase Doosan Puma 3100M CNC Lathe C Axes made in South Korea The Doosan (now DN Solutions) Puma 3100M is one of the most respected heavy-duty horizontal CNC turning centers in the industry, known for its rigid box-guideway structure, strong spindle torque, and reliable C-axis milling capability.When buying this machine used or surplus, a detailed technical and operational evaluation is essential to avoid costly surprises....