Bank card ic chip contained in the gold content is very small, a ton of bank card ic chip can be refined 150 grams of gold, a bank card ic chip contained in the metal, the content of silver is much higher than that of gold, the highest content of copper. Each ton can be extracted 200-300g gold, 1000-3000g silver, about 100kg copper. The gold content of a ton of gold ore is about 15-20g.