Can mainly be used to the cleaning of: VCD/DVD disc,small hardware,jewelrys,watch,necklace,ear ring,ring,bracelet,coin, ... us.Design philosophyDifferent to the chemical cleaning,this machine use the ultrasonic technology for physical cleaning,combine with the professional and humanity ... Can mainly be used to the cleaning of: VCD/DVD disc,small hardware,jewelrys,watch,necklace,ear ring,ring,bracelet,coin ...