Home › Blog › Buying Guide › From Inspection to Installation: What to Verify Before Buying a Pre-Owned, Used, Secondhand, Surplus Haas EC-1600 CNC Horizontal Machining Center made in USA When evaluating a pre-owned or surplus Haas EC-1600 CNC Horizontal Machining Center (USA-made) for purchase, you’ll want a thorough inspection and installation verification checklist covering physical condition, functionality, service history, and site-readiness....