杨家杖子矿务局是一个有百年开采历史的老矿，历史上曾为我国国民经济的发展做出了突出贡献。近年来广大科技工作者发扬“团结、求实、创新、协作”的科学精神，通过开展“讲理想、比贡献”竞赛活动和科技承包工作，为该局提交经济效益做出了贡献。1987年以来，该局科协结合实 Yangjiazhangzi Mining Bureau is an old mine with a history of one hundred years and has made outstanding contributions to the development of our national economy in history. In recent years, the vast number of scientists and technicians have carried forward the scientific spirit of “unity, truth-seeking, innovation and collaboration” and made contributions to the economic benefits submitted by the council through “contesting ideals and more than contribution” competitions and scientific and technological undertakings. Since 1987, the Bureau of Science and Technology Association