... 3.Quality guaranteed 4.Good in service Utrasonic cleaning machine: specifications 1. ModelJJ-2072 manual type Water-based ... The second cleaning,rinse residu detergent and impuritiesMaterial Stainless Machine,SUS304#1.5-2.0t Tub ,Strong,durable, ... high Q ultrasonic oscillators Ultrasonic frequency28KHzHeating systemWith soakage stainless heating pipe 7.The Frist Cleanning UseRemove grease and dirt ...