Nanjing is chi technology development co., LTD. Is a company dedicated to the public security system security products and complete solutions in the field of the professional company. Company's products include: X-ray security checkpoint, microtremor personnel through the metal detector door, vehicle detection system, liquid detector, explosives/drug detector, etc. Products with high quality and has passed the European CE certification, the company obtained ISO9001 quality management system certification, ISO14001 environmental management system certification, OSHAS18001 occupational health and safety management system and other international certification. 

        Recently, the company relies on the superior product performance, and thoughtful after-sales service measures, perfect product solutions, organised by transport department of taiyuan city public bidding project, the procurement of X-ray security apparatus are installed in taiyuan passenger station, taiyuan yingbin bus passenger transport station, taiyuan, taiyuan south bus station, for passengers to carry inflammable and explosive dangerous goods tra nsport testing station. 

        Is chi company will follow the principle of "integrity, win-win cooperation", for the urban passenger transportation security services, the escort for public security.