Magnetism Msier is operated easily,non scale changes speed,can mix liquid precisely and stably in mide speed range,especially fit little samples experiments. It is divicled into three kinds:no-heating style,heating style,constant temperture style some of which add two-way,multi head mixing function. It is necessary,ideal tools in modern oil,chemistry industry. Medical sanitation,ewironment-protecting,biochemistry,test analysis educational scientific research.