... -proof PCBA Dental Ultrasonic Cleaner Applications: Jewelry and Watches: Necklaces, Earrings, Rings, Bracelets, Coins, Watches Straps ... Professional Department: Laboratory,Electron workshop,Glasses shop,Jewelry shop,Clocks and Watches shop,Mobilephone maintain shop ... for: Lab instruments,Electronic products,Glasses,Necklaces,Earrings,Bracelets,Waterproof watches,Dentures,Medical instruments, Hardware ...