Beijing Changping District No.52 IT Services Management No.84 Informatization Services Databases Security Surveillance Operating Systems ERP Human Resources Security Informatization Construction HRM Human Resources Information Systems Access Control Controllers 科技型中小企业 中关村高新技术企业 省级高新技术企业 市级高新技术企业 市科技型中小企业 高新技术企业 ISO9001认证 ISO20000认证