January 3, 2021
Brief Introduction: ultrasonic negative ionizing mist maker is technological product,which its integration of aroma diffuser and air refresher,help to freshen air,and the mist will add air […]
July 24, 2019
Q:How choose the material? A:The most common material is I304 stainless steel. But 304 stainless steel is not resistant to acid and alkali, can only be […]
July 24, 2019
Step1.Put the key in a fixed position. Step2.Turn left and open. Step3.Replace the piezo and install the screw by key.