The magnet is very simple, and the powerful magnet is 10 degrees, and if we put the powerful magnet to the fire to bake more than ten minutes. After the cooling, you will put it in the side of the […]
Archivos de abril 21, 2022
The magnet does not place in a wet cold natural environment to prevent air oxidation
Jueves, abril 21, 2022Tags: China magnet neodymium
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