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Zhengzhou Zhonghang Software Development Co., LTD is a high-tech enterprise that integrates independent research and development(R&D), custom production and sales services. The scope of services includes the management of big data cloud services in the advertising industry and the combination of smart cities and LED display technology, and covers digital video technology processing, traffic guidance customization, real-time environmental monitoring project solutions, GPRS cluster services, bank system network clusters, high-end shopping mall advertising clusters, and so on.