Many manufactures produce ultrasonic cleaning equipment in domestic, and the market price is uneven especially for some customized cleaners. Frequently, after comparing quotations from several suppliers, the customers find that there is a big difference in price. Regardless of false price, these differences are are mainly caused by different technology content and manufacturing process. For the cost of ultrasonic cleaners, as small as inconspicuous parts, or as big as overall structure and material quality, all aspects will have a great impact on the final price of the whole machine. So it's not hard to understand that the market price of similar cleaning machines always fluctuates in a wide range.