Shenzhen Cardlan Technology Co., Ltd. is the leading provider of security, electronic products and software development services, including: -Fingerprint products, such as time and attendance, access control, and door locks; -One card system is our main product, for firm and company; such as time and attendance, access control, canteen consumptionï¼Œonly one card, you can figure out everything.With centers of operation in Shenzhen and ShanDong, we have played a pivotal role in the growth of China's technology. Our clients include some large companies from the USA, South America, Europe, the Middle East, and Asia.