Mini Ultrasonic cleaner 1.Clean watches,Jewelry,necklace, eyeglass,etc 2.time can be freely set 3.high ... family Application: For daily use items such as gold and silver jewelry, jewelry, headgear, brooches, glasses, bracelets, fountain pens, CDs, shaving knives, ... all make this world the truth Xian exhaustive.3, jade, jewelry processing industry: In the grinding polishing process, a large number ...