China 16th Bureau, which belongs to China Railway Construction Co., Ltd., one of the world's top 500 enterprises, is a national large-scale comprehensive super-grade construction enterprise, with the first-class qualification for railway and house construction, the first-class qualification for general contracting of highway, municipal, water conservancy and hydropower projects, the first-class qualification for professional contracting of highway pavement, bridge, tunnel and decoration engineering, and the first-class qualification for professional contracting of urban rail transit. Obtain the right to operate foreign contracted projects and the right to cooperate with foreign labor services, and obtain the certification of quality, environment and occupational health and safety management system.

The tax bureau is a vertically managed unit, under the dual leadership of State Taxation Administration of The People's Republic of China and local governments, which means that provincial bureaus, municipal bureaus and county bureaus should not only obey State Taxation Administration of The People's Republic of China's requirements, work arrangements and plans, but also communicate with local governments to form the relationship between leaders and led. The provincial bureau belongs to the leadership of the provincial government, the municipal bureau belongs to the leadership of the municipal government, and the county bureau belongs to the leadership of the county government, which belongs to dual leadership.