Kmf on kmf pure gold is generally printed by the logo of jewelry processing factory or jewelry company, and many jewelry company's products will be engraved with unique logo. Kmf pure gold is no different from ordinary pure gold, with a gold content of over 99.0% and a reddish-yellow appearance, characterized by soft texture and strong ductility.

The meaning of kmf pure gold "kmf" in kmf pure gold generally refers to the lettering of jewelry processing factory and is also the symbol of jewelry company. Many jewelry companies will carve unique marks on their products to distinguish them from other brands.

Kmf pure gold is actually no different from ordinary pure gold, with a gold content of 99.0%. This kind of colored gold is red and yellow in appearance, very soft in texture and good in ductility. It is one of the main raw materials for making gold ornaments.

It is stipulated in China that the surface of precious metals such as gold and silver should be marked with composition and color, so the surface of jewelry made of pure gold will generally be marked with "pure gold", "G990", "AU990" and "990 gold".