大厂“八五”科技攻关取得重大进展万云，董洪超，包晓波大厂矿区是我国重要的有色金属基地，其矿产资源十分丰富，具有矿种多、品位富、储量大的特点。迄今，锡、锑保有储量居全国第一，锌、铅亦名列前茅，钢居世界第一，还伴生有可观的银、金、镓、钢、硫、砷等，具有很... Dachang “Yafe” Scientific and Technological Achievements Have Made Significant Progress Wan Yun, Dong Hongchao, Bao Xiaobo The Dachang Mining Area is an important non-ferrous metal base in China. It is rich in mineral resources and has many characteristics such as abundant minerals, high grade, and large reserves. So far, tin and antimony have the largest reserves in the country, zinc and lead have also been ranked first, and steel ranks first in the world. They also have considerable silver, gold, niobium, steel, sulfur, arsenic, etc.