Is Langfang Economic Association a public institution?

No, public institutions are run by state organs or other organizations using state-owned assets, and Langfang Economic Association is run by individual and private training institutions, not managed by the state, so it is not a public institution. Institutions mainly include education, science and technology, culture, health, social welfare, sports, transportation, urban public utilities, agriculture, forestry, animal husbandry and fishery, information consultation, intermediary services, survey and design, etc.