With the temperature difference between morning and evening, many people also have dry throat and cough. And to solve the autumn dryness, the first choice is of course to eat pears. Because pears can moisten the lungs, eliminate phlegm and reduce dryness,
Silver cadmium oxide Rivet compound contacts are made by Cold Pressure Welding Machine.The rivet is made of Silver cadmium oxide wire and copper wire through the form of cold heading.