Introduction to the Opening Hall: The "Opening Hall" is located on the west side of the Zhang family dining hall, also known as the "Daiyin Bookstore". It is a Chinese and Western style building built in 1956 by the descendants of the Zhang family. A picture gallery of Zhang Jian's life and deeds is specially arranged in the resting hall. The precious historical pictures briefly display Zhang Jian's glorious life of diligence and pragmatism, pioneering spirit, innovation, and success, and demonstrate Zhang Jian's practice of the concept of "father education, mother industry" A series of footprints left on the journey.