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COOLDO Gold Testing Machine
COOLDO gold testing machines provide a fast and accurate method to determine gold concentration in jewelry and other precious metal samples.
Superior Gold Melting Furnace
This induction gold melting furnace from Cooldo combines advanced IGBT technology to achieve energy-saving and speed melting with a low fault rate.
Industrial Metal Processing Equipment Manufacturer | COOLDO
COOLDO manufactures industrial metal melting furnaces, casting machines, vacuum furnaces and heat-treatment equipment for foundries and metal plants worldwide.