Shenzhen Tongdazhi Technology CO., Ltd is a new high-tech enterprise in Shenzhen China. We work on products R&D,sales and services. We committed to providing professional channel gate system, access control system, ticket management system and parking management system. With years of experience and continuous technological innovation We have the ability to provide reasonable intelligent attendance, access control, consumer, ticket management, parking management channel system solutions. Construction class systems engineering, quality of service and strict training system ensure long-term, continuous, stable operation.