Small compact size, easy mounting, space-saving, long service life An industrial Syringe Pump with high precision & high performance in micro-liquid transferring self-developed by Runze Fluid. Make step motor move in clockwise or counterclockwise by receiving instructions from the host computer. The circular motion is converted into linear motion by the trapezoidal screw to make the piston move up and down which realizes medical analysis equipment, chromatographic analyzers, food and beverages detection and analysis system, water quality on-line analyzer, petroleum detection equipment and biopharmaceutical extraction devices