President and director of neurosurgery zhang zhenxing , as well as director of gamma knife center , and other chief physicians with abundant clinical experience act as medical treatment doctors . these experts devote themselves to the gamma knife therapy and research , and gain approvals and high praise from the patients . shandong weifang people s hospital gamma knife therapy and research center enjoys the technical , expertise and network advantages of no - ravage medical service network 山东潍坊市人民医院伽玛刀治疗研究中心成立于1997年，拥有世界领先水平的our旋转式伽玛刀设备和具有国际领先水平的tps治疗规划系统，借助先进的mri定位设备，并汇集省内众多神经科影像学等知名专家，共同致力于伽玛刀的科研与治疗工作。
" despite a very challenging operating environment , the group has plans for new projects with innovative products and services such as personal tracker ( a portable tracking device for users ) , gprs mobile location devices , outdoor billboard management system , on - line auto navigation system , location - based services for mobile telephones and others in the pipeline 蔡氏总结：尽管目前经营环境满布挑战，集团仍计划推出一系列创新科技产品及服务项目：如个人流动追踪设备( personaltracker ） ， gprs流动定位设备( gprsmobilelocationdevices ) ，户外告示板管理系统( outdoorbillboardmanagementsystem ) ，车辆自动导航系统( autonavigationsystem )及流动电话定位技术服务等。
