UPU is an intergovernmental international organization that agrees on international postal It has been a specialized agency of the United Nations on international postal affairs since July 1, 1978, with its headquarters in Bern, Switzerland. Its purpose is to promote, organize and improve international postal operations and to provide possible postal technical assistance to its members.

The Universal Postal Union ( The purpose of the UniversalPostalUnion (UPU) is to organize and improve international postal operations, to develop international cooperation in postal matters, and to provide, within its means, the technical postal services requested by member countries. The purpose of the UPU is to organize and improve international postal operations, to develop international cooperation in postal matters, and to give such technical postal assistance as may be requested by member countries within the limits of its capabilities.

With the continuous development of social, economic and scientific technologies, users' requirements for postal services are becoming higher and higher, and traditional postal services are facing the challenges of the new generation of communication methods such as the Internet and electronic mail. The challenges also provide opportunities for postal development, and postal departments in various countries are taking measures to adapt to the changing environment, continuously developing new service items and products, and improving the timeliness and quality of postal services to attract customers and open up markets.

The UPU is committed to international cooperation in the cultural, social and economic fields, providing technical assistance to its member countries. It provides a series of standards and detailed specifications that apply to the entire national standard postal service. For example, envelope sizes, units of account, labels, forms, weight limits, as well as print and parcel sizes, technical terminology, etc. UPU maintains books and archives related to international postal services.

Established in 1874, the Universal Postal Union (UPU), with its headquarters in the Swiss capital Berne, is the second oldest international organization worldwide.

Established in 1874, the Universal Postal Union (UPU), with its headquarters in the Swiss capital Berne, is the second oldest international organization worldwide.

With its 192 member countries, the UPU is the primary It helps to ensure a truly universal network of up-to-date products and services.

With its 192 member countries, the UPU is the primary forum for cooperation between postal sector players. gt;

In this way, the organization fulfils an advisory, mediating and liaison role, and provides technical assistance where needed. It sets the rules for international mail exchanges and makes recommendations to stimulate growth in mail, parcel and financial services volumes and It sets the rules for international mail exchanges and makes recommendations to stimulate growth in mail, parcel and financial services volumes and improve quality of service for customers.