The liaison department is established in Yongxing economic development zone, whose responsibilities are as follows: the work related to domestic and foreign economy, foreign trade, and foreign investment; the organization of attracting investment in projects, the formulation and implementation of investment policies and nets; contacting of all projects for attracting the investment; negotiation and dispatching management, as well as the implementation of relevant policies for attracting investment; dealing with complaints from foreign investors, and coordinating the neighboring relations with foreign investors; transaction of formalities of the examination, reporting and approval, the issue of approval certificates for foreign investment enterprises with a provincial unified number.