... ISO9001:2008 4.delivery time:within 30 days Ultrasonic cleaning machine IndustryCleaning objectsjewelryJewelry, diamond, gold, silver products, ... watch cover, watch hand,etctextilespinneret plate, rubber parts, plastic molds, toy,etcothersseal, flapper, coins, pottery, bank card ... ,precision instruments:with the V-KOOL special ultrasonic cleaning,watches,precision instruments,eliminating one by ...