Following the Shenzhen Municipal Government " on a number of measures for large corporations to facilitate the services " and "on a number of measures for further accelerating the development of the private economy" ,with the relevant provisions, 61 Enterprises in Shenzhen have been included in the through-train services for big companies, and Kesheng Communication Technology Co.,Ltd. had been ranked.

"Through-train service" was come into being as a public service in July 2003, because of the government was to improve the environment of investment and business. The policy included in the relevant functional departments to set up the "through-train" window of a speedier service for large enterprises with business applications, consulting, guidance, supervision and services such as the admissibility of complaints; a bureau-level leadership as a responsible Specifically responsible for dealing with the coordination of this sector for the services of large enterprises and large enterprises to have a person assigned full-service; the city government to appoint a special deputy secretary general responsible for coordinating services for large enterprises. At the same time, to shorten the approval time limit is also related to specific provisions.