The Standard Work for the National “Single Window” of International Trade, initiated by China Port Office and compiled by relevant Chinese ministries and commissions, has been completed. The decision has been made to implement the work in the first batch of five pilot provinces and municipalities, namely, Tianjin, Zhejiang, Fujian, Shaanxi, and Chongqing. This marks the formal start to popularize and apply the national “single window” of international trade.