徐州恒亚机械设备有限公司是在原中国铁道建筑总公司徐州机械总厂改制重组中，由原浮封环分厂厂长带领主要精英组建，专业从事浮动油封 ,金属密封圈,浮封环 产品研发、制造、销售的有限责任公司。采取压力铸造工艺生产毛坯，具有硬度高、组织致密、耐磨性好等特点。

　　This company of limited liability is re-organized form the former Xuzhou Mschinery General Factory,which belongs to Cnina Railway Construction of the director of the former Floating Seal Factory.It majors in the research,production and marketing of the floating seal pruducts. This product is made by pressuredie-casting technology and characterized with high hardness,com-pact microscopic structure and low friction loss.