It is a gold and silver building, and the mark of the gold and silver building is G; the golden mark of China is CICC. "K" printed on gold jewelry usually refers to the gold content of gold jewelry. 24K gold contains more than 99%, 22K represents 91.7%, 20K gold content is 83.3%, 18K gold content is 75%, 14K gold content is 58.3%, and 1K gold content is 4.166%.
It is a gold and silver building, and the mark of the gold and silver building is G; the golden mark of China is CICC. "K" printed on gold jewelry usually refers to the gold content of gold jewelry. 24K gold contains more than 99%, 22K represents 91.7%, 20K gold content is 83.3%, 18K gold content is 75%, 14K gold content is 58.3%, and 1K gold content is 4.166%.