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冶金部北京冶金设备研究所1990年取得了几项科研成果。JC56型无摩擦颚式破碎机、φ600圆盘式超细碎圆锥破碎机和YP-40型移动式破碎筛分联合机组通过部级鉴定。
Metallurgical Beijing Institute of Metallurgical Equipment made several achievements in 1990. JC56 frictionless jaw crusher, φ600 disc type superfine crusher and YP-40 type mobile crushing and screening unit passed the ministerial level appraisal.