Since its foundation in 2005, Shenzhen CHTOP Technology Co.,Ltd has aimed to be a top international security enterprise, and provide prominent quality products & marketing service. CHTOP is a high-tech enterprise with an integration of research and development, production and sales for security products. Who is CHTOP?It is a high-tech enterprise specializing in R & D, production, sale and service of intelligent pedestrian gateway and intelligent access control card system. What does CHTOP do?For your Intelligent Building, unmanned supermarket, school, prison, stadiums, clubs,scenic spots, stations, wharfs, sites, factories, mines, residential areas and other occasions to provide intelligent management products and system solutions to reduce your management costs and form a good order. ISO9000 quality system certification, all the spare parts of products are selected by high quality brand suppliers to provide you with super cost-effective products and solutions. welcome to contact