No.345Haidian District Popularity Ranking BeijingNo.4 Air ConditioningNo.4 Machines CabinetNo.4 Cases Machines CabinetNo.7 Refrigeration EngineeringNo.7 Surveillance SystemsNo.8 RefrigerationNo.8 Monitoring SystemsNo.11 Modules Chemical DesignNo.12 Xian Jin ManufacturingNo.16 Jie Neng Jian PaiNo.16 Chan Ye Chuang XinNo.33 Data Center瞪羚企业企业技术中心中关村高新技术企业专精特新小巨人企业省级高新技术企业市级高新技术企业