However, if it is GF, KP, GP, KGF or KF, you should pay attention. This kind of gold is generally cheaper. Generally, this kind of gold is not a pure gold product, but a product with gold plating layer, gold plating layer or deposit. Generally speaking, the content of gold is actually very small, and gold products only have a surface layer.
Generally, people who are not greedy and cheap buy normal gold products. All the gold products bought by regular gold shops are reliable.