我国是世界上铅锌矿产资源比较丰富的国家,铅锌资源储量居世界第二位。目前,我国已是世界铅锌生产、消费和进出口贸易大国,在世界铅锌工业及国际市场中占有重要位置。但是,在生产迅速发展的同时,也逐渐暴露出许多问题。诸如资源面临危机、铅锌精矿供应紧张、生态环境破坏严重、 China is a country rich in lead and zinc mineral resources in the world, ranking second in the world for lead and zinc resources. At present, our country is already a large country in the world in lead and zinc production, consumption, import and export trade and occupies an important position in the world lead and zinc industry as well as in the international market. However, while the rapid development of production has gradually exposed many problems. Such as the resource crisis, lead and zinc concentrate supply, serious damage to the ecological environment,