Longfeng jewelry is real gold. Longfeng jewelry is 3D gold. The hardness of 3D hard gold is four times that of ordinary pure gold, and its purity is still the purity of pure gold. Thousands of gold is similar to 3D hard gold. 3D hard gold is made by special technology. Simply put, the ionic structure of gold is destroyed in the production process and becomes harder, and its gold content is of course thousands of gold. His advantages are light weight and large display screen. Relatively speaking, there are more styles and more novel.

Matters needing attention in buying gold for Longfeng jewellery

If the object is gold, it feels heavy, which is what people call "gold falling into the hand", and vice versa. Pure gold will shine brilliantly in strong light, which other metals, including copper, do not have. Gold jewelry plopped on the ground, and the falsetto was sharp and bright, jumping higher than gold and folding hard and soft. Gold has the characteristics of good ductility and low hardness. Pure gold is very soft to fold, and copper bars are very laborious to fold.