Does it really matter whether a packaging machine supplier has its own machining equipment?

• In-house machining controls tolerances of heat-seal jaws and formers, keeping lead time free from outsourcing.
• Without machining, seal patterns and bag dimensions rely on subcontractors, hurting batch consistency and changeover.
• Audit CNC/grinder lists on site and verify key parts are machined and inspected in-house.
• Heavy outsourcing extends lead time and changeover, raises spare-part MOQ, and slows repair response.
• If assembly-only, demand supplier FAT reports and CE/FDA conformity documents for key parts.