Probably because Jiangxi copper industry is not developing well, or investors are not investing in funds well. . Zijin Mining's main business includes gold and copper, among which gold and copper account for about 40% of revenue and profit, while others account for 20%. Jiangxi Copper 8' s main business includes copper and other two pieces, of which the income and profit of copper industry chain account for more than 80%. Compared with Zijin, Jiangxi copper industry pays more attention to the copper industry chain. In the case of rising copper prices, Jiangxi copper industry has greater performance flexibility and income. Gold, one of Zijin Mining's main businesses, has risen by a wave last year, and it is unlikely to rise sharply again this year.