1, imprint distinction: Jinbao's imprint letters are abbreviated as KF, such as 8KF, "118k" and "1/2018k"; The abbreviation of gold plating is GP or KP, such as 8GP, 18KP.

2, durable: Jinbao wears longer than others, not as easy to be erased as gold plating.

3, price differentiation: generally speaking, the price of the bag will be gold-plated.