How is quality checked in custom construction?

EXFAIR conducts strict quality control: (1) Design review - Release of drafts before construction. (2) Construction QC - Verification of technical details for feasibility. (3) Material inspection - Testing of all incoming materials. (4) Manufacturing QC - Controls during production and assembly. (5) Safety tests - Verification of all safety-relevant aspects. (6) Final inspection - Complete verification before release. This ensures highest quality and safety.