1.used to clean communications equipment,glasses,jewelers,fruit and so on 2.use stainless steel material 3.digital ... examination apparatus, tool kits, jewelry set, DVD, PCB/FPC and baby toys Our ultrasonic cleaners used for industrial purposes but ... household, excellent effect to clean personal articles such as gold and silver jewelry, necklaces, earrings, glasses, nozzles, watches, mobile, denture, ...