... :within 30 days Ultrasonic cleaning machine IndustryCleaning objectsjewelryJewelry, diamond, gold, silver products,etcmachineryMoulds, precision parts, pressing parts ... & watch makeroptical lens, eyeglass, sunglass, metal, gold, jewelry, diamond, watch band, watch cover, watch hand,etctextilespinneret ... family applied:daily use items such as gold and silver jewelry,jewelry,hair,accessories,brooch, ...