Good quality Skymen industrial Ultrasonic cleaner provider from China,visit http://www.skymenultrasoniccleaner.com/ for more information. We are professional factory, this video is cleaning auto parts, remove oil stains, the machine woks well. it's our 99L ultrasonic cleaner, we also have bigger and smaller capacity for you choose. all products has passed the CE ROHS FCC certificates. Do you like it? welcome to contact us.