Jin Chengxin plans to acquire 5% equity of Columbia CMH with 10 million dollars and obtain control, and invest 230 million dollars in the construction of the Alaran copper gold silver mine project. The investment estimate of the Alaran mine project is 420. 4 million dollars, the construction period is 2 years, and the mine life is expected to be 14.2 years. The company plans to invest about 231.2 million dollars according to the shareholding ratio, and lead the follow-up development and construction of the Alaran copper gold silver mine. The average annual mining output of ore is about 6.1 million tons, equivalent to 25000 tons of copper metal, 1.4 tons of gold, and 16 tons of silver.