Reliable. The shared service platform of craftsman construction industry is a formal and reliable platform, which is reached by Chongqing Sanqi Medicine Information Technology Group and the Building Big Data Center under the Ministry of Housing and Urban-Rural Development, forming a comprehensive fiscal and taxation hierarchical management platform focusing on solving the construction industry. According to the development characteristics of the construction industry, the shared service platform for craftsmen's construction industry integrates five major operating systems. The platform successfully meets the needs of labor, material supply, energy supply, construction machinery and financial services in the construction production supply chain. The early warning system of fiscal and taxation risks created by well-known fiscal and taxation software companies in the United Nations ensures that every customer can obtain good fiscal and taxation risk business.