What is the name of the place where shopkeepers train apprentices?

Lu Wenbao, a disciple of Tiaoxi who came from Beiqiong in the Ming Dynasty, was once courted by the gentry. In this paper, he proposed to promote apprentices to the guild hall, which explained that in ancient times, the place where shopkeepers trained apprentices was usually called the apprentice guild hall, which was an environment and facilities suitable for learning and practice, and shopkeepers would teach apprentices experience, skills and knowledge here.