... , metal, gold, jewelry, diamond, watch band, watch cover, watch hand,etctextilespinneret plate, rubber parts, plastic molds, toy,etcothersseal, flapper, coins ... was also carried out while cleaning,sterilization,ultrasonic other hand can also be used for skin care,long-term ... other electrical appliances,precision circuit boards,parts used. made in china small mirror ultrasonic cleaning machine