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Propmle:In many rural areas in China, elders don't use refrigerators. Instead, they usually place dishes on tables, which accelerates the contamination with bacteria in the air and does harm to people's health.
The product can kill the bacteria in the air and inside the food,using the principle of ultrasonic sterilization. The product is enclosed by a seal ring at tge bottom, which keeps bacteria away and provides the food a backteria-free storage environment.