1.manufacturer 2.made in china 3.ISO9001:2008 4.delivery time:within 30 days Ultrasonic cleaning machine IndustryCleaning objectsjewelryJewelry, diamond, gold, silver ... grinding and polishing process,a lot of dust buildup in the dirt will jade ornaments,and these parts are ... and other electrical appliances,precision circuit boards,parts used. made in china small mirror ultrasonic cleaning machine