| 1. | Beijing general research institute of mining and metallurgy ( bgrimm ) , founded in 1956 , is a large - scale comprehensive research and design institution with versatile disciplines supported by a complete set of specialties 北京矿冶研究总院建于1956年,是我国以矿产资源综合开发利用和材料科学与工程为核心主业,学科齐全、专业配套的大型综合性研究与设计机构。 |