St Xiyuan has a mine, why not mine it?

According to public information, the Yangba copper mine under st Xiyuan has proven copper reserves of 4.69 million tons. On 20021,the company disclosed that the mining right and exploration right of Sanshan Mining expired on February 6, 20021,and the other was Weixi Khyron Mining. However, according to st Xiyuan, there is no formal plan and financial strength to mine subordinate copper and gold mines.