Gold storage card is one of the certificates used by customers for safe storage, investment and other purposes after purchasing physical gold. Gold storage card is one of the certificates used by customers for safe storage, investment and other purposes after purchasing physical gold. The specific instructions are as follows; when investors choose to purchase investment gold bars, they can reserve the gold bars in the delivery state for free after purchase. Customers who choose a reserve period of more than 12 months can enjoy the opening price of AU99.99 in the morning of the Shanghai Gold Exchange on that day. The preferential price for gold bars is based on adding RMB 5 per gram. At the same time, the seller guarantees to buy back the reserves after they expire, and signs a loss compensation agreement with the customer for gold bar purchases.