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Contact Us No. 188, Xinhai Street, Fushan high-tech industrial development district, Yantai, Shandong, China [email protected]Crushing Motherboards For Gold | Crusher Mills, Cone,,How to extract gold from motherboards, learn more about how to extract gold from motherboards, How to Break Down Circuit Boards for Precious Metals | eHow You can expect to get a fraction of a gram of gold from the average motherboard and far lessExtracting Gold | HowStuffWorks,Removing the gold-bearing rock from the ground is just the first step. To isolate pure gold, mining companies use a complex extraction process. The first step in this process is breaking down large chunks of rock into smaller pieces. At a mill, large machines known as crushers reduce the ore to pieces no larger than road gravel.