Nyob rau hauv 2021, cov nyiaj tau los ntawm kev muag khoom ntawm nonferrous hlau kev lag luam tau tshaj 7 trillion yuan, tag nrho cov ntshuam thiab export lag luam mus txog 261.62 billion US dollars, kev khiav hauj lwm kev ua tau zoo mus txog ib tug high school cov ntaub ntawv, thiab lub 14th tsib lub xyoo txoj kev npaj ua tiav ib tug zoo pib.