... durable 2.Singlechip controlled 3.Power-off protection... Glass ultrasonic cleaning machine 1,Mini Ultrasonic cleaner features: 1, a transparent ... , such as various glasses (including contact lenses), magnifying glass, binoculars, microscopes, cameras, video cameras and other parts ... exhaustive.3, jade, jewelry processing industry: In the grinding polishing process, a large number of dust dirt will ...