... good 600ml mini ultrasonic electric jewelry cleaner VGT-800 with CE and rohs Ultrasonic Cleaner,Ultrasonic cleaner,mini ultrasonic ... to jade , ornaments.The form of them are complicated with many gaps ,so,traditional method is suitable for no longer ... dentistry artificial tooth , tooth model , the utensil of chemistry experiment laboratory,all of these can be cleaned .Blending or chemical combination ...