... , electronic workshop, mobile phone cases, water bottles, industrial water purification systems, high-pressure washes, porcelain, medical examination apparatus, ... jewelry set, DVD, PCB/FPC and baby toys Our ultrasonic cleaners used for industrial purposes but can use in ... earrings, glasses, nozzles, watches, mobile, denture, experiment and equipmentworking hours:30w:1s--900s (default:300s)50w:1s--900s ...