ONSN precision micro gear pump circulation pressurization systems, automatic feeding (dosing) systems, sampling equipment (including vacuum environment sampling), laboratory device, cooling systems (refrigerant circulation pumps), Hemodialysis and Peritoneal Dialysis, casting machinery, packaging machinery, cleaning systems, additives filling systems, chemical metering systems, small test/pilot test equipment, etc.. It's main features are small flow, high pressure difference, no leakage, stable flow, precise metering, and no pulsation transfer pump.
