龙门式加工中心是当代机械制造业的主流装备,是市场热门商品。世界上工业发达的国家美国、日本等西方国家把该类产品作为重要战略物资。中捷摇臂钻床厂是国内制造机床产品的重点企业,曾组织开发了GM、GD、GHS、VHS、GMB、GMD等系列龙门式数控机床,产品得到用户的广泛认同与好评 Gantry machining center is the mainstream of contemporary machinery manufacturing equipment, the market is a popular commodity. The developed countries in the world such as the United States, Japan and other western countries regard such products as important strategic materials. ZhongJi Radial Drilling Machine Factory is a key enterprise in domestic manufacturing of machine tool products and has organized and developed series of gantry CNC machine tools such as GM, GD, GHS, VHS, GMB and GMD, etc. The products have been widely accepted and praised by users