Home › Blog › Buying Guide › Industrial Insights: How to Spot Quality in Pre-Owned, Used, Secondhand, Surplus CNC Equipment Before Purchase DECKEL MAHO DMU 50 eVolution linear CNC 5-axis Vertical Machining Center made in Germany Below is a detailed, industrial-grade “due diligence” checklist and methodology for evaluating a pre-owned / surplus / secondhand 5-axis CNC vertical machining center like a DECKEL MAHO DMU 50 eVolution / eVo Linear (or equivalent) before committing to purchase....