PFS Filling Machine Manufacturer – Pharmaceutical Machinery …A pre-filled syringe (PFS) filling machine automatically fills and seals pre-sterilized syringes with liquid medications in a sterile environment, essential for pharmaceutical and biotech industries. Key components include a conveyor or infeed system for syringes, a precision filling station with pumps, a stoppering unit, and often a PLC control system. These machines maintain high precision, accuracy, and sterility, and are available in both fully automated and semi-automatic models for various production scales.