We evaluated multiple pen injector assembly line suppliers before selecting DROFEN for our insulin pen final assembly project. Their 2-cell architecture with real-time force monitoring gave us confidence in cartridge press-fit quality control — something we struggled with on our previous line. The team delivered full IQ/OQ documentation and supported our 21 CFR Part 11 compliance requirements from day one. Equipment reached stable OEE above 85% within the first production quarter. Responsive technical support even across time zones. Would recommend to any CDMO scaling up GLP-1 or insulin pen manufacturing capacity.
