1. Pure gold is a kind of gold. Pure gold refers to gold with a gold content of over 99%. This kind of gold can be dark yellow and has a very soft texture. Jewelry made of pure gold has the functions of recycling, collection and storage.
2.k gold is a gold variety divided by gold content, which is divided into 1k-24k and gold content 166%. Common K gold in the market are 18k gold, 20k gold and so on. This kind of K gold is often used to make exquisite jewelry.
3. Hard gold is one of the gold varieties classified by technology. This kind of gold needs electroplating. Compared with ordinary gold, the prepared hard gold has the advantages of high hardness, wear resistance and difficult deformation.