Thousands of pure gold mf means: thousands of pure gold mf is a common expression of gold purity.

1. In the jewelry and goldsmith industry, the purity of gold is expressed in the proportion of several thousandths, that is, the content of pure gold in gold alloy.

2.mf is a gold plating method of thousands of gold, which stands for "MilleFleur" and means "thousands of flowers" in French. So thousands of gold mf means: thousands of gold mf is a common expression of gold purity.