1.Equipped with filling quantity adjusting device knob, quantitative filling, quantitative filling and filling speed all canmanually control. 2.The manual filling amchine is specially designed by our factory for medium or small size enterprises,laboratory, hospital or beasuty parlor in daily use chemical secton. Its cofiguration.is compact,acts agility and easy to use,all the parts which dip in the materiael are made of stainless steel and polytetrafluorethylene