Capability: 1、the machine adopts high stainless steel which can bear acid and alkali,and has certain character of firmless 2、low noise ,operate smoothly.transmit part is using the mechanism stepless speed change device. 3.it is easy to operate.electrical equipment box is installed with the machine .it also fixes freely adjusted equipment、timer from 0 to 90 minutes and auto-positive-negative-volv- short-time-cotroller. 4.easy to install,convinient to move .it has temperature-time-meter and special large drainage valve.