No.55 Qingshanhu District Popularity Ranking Nanchang Jiangxi No.4 Doors and Windows No.4 Construction Fire Protection No.4 Construction Fire Protection Engineering No.7 Electromechanical Engineering Design No.8 Photovoltaic No.8 Construction Electromechanical Engineering No.10 Equipment Manufacturing No.11 Electromechanical Engineering No.11 Fire Protection Engineering No.12 Fire Protection Facilities No.13 Electromechanical Systems No.14 Electromechanical 国家知识产权优势企业 省级专精特新中小企业 科技型中小企业 省科技型中小企业 高新技术企业 省级高新技术企业 ISO14001认证 UL认证 消防设施工程专业承包