... 2060 Ultrasonic Washing Machine is mainly made ofimported workpiece and SUS304# stainless steel .With the futures of good quality , ... second cleaning,rinse residu detergent and impuritiesMaterial Stainless Machine,SUS304#1.5-2.0t Tub ,Strong,durable,pefect appreance ... liquitWater or detergent Tub size L470*W330*H350mmTub material SUS304#2.0t stainless Ultrasonic 30 High Qoscillators ,frequency 28KHz ...