大部分位于朝阳区、大星区、常平区和顺义区。
Most of these are located in the suburbs Chaoyang, Daxing, Changping and Shunyi districts.
生产基地位于顺义区富利工业区，占地40余亩。
Production base is located in Shunyi District Futura industrial zones, covering more than 40 acres.
影像管理系统是为北京市顺义区地税局开发的电子档案管理系统。
Image management system for the Shunyi District, Beijing Local Taxation Bureau to develop an electronic file management system.
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