... continuous work 2.automatic constant temperature system 3.Stainless steel , durable Stainless steet heatable ultrasonic cleaning machine1, Uses: ... cleaning equipment. It applies to electronic components, electroplating, metal, watches, machinery, strap, tools, optical lenses, jewelry, lenses, ... cleaning.2, Features: 1, all imports of thick stainless steel acid and alkali, beautiful and durable;2, ...