Introduction to the Hengyuanchang Historical Exhibition Hall: The Hengyuanchang Historical Exhibition Hall was originally the wool textile workshop of the factory, with a construction area of 6,390 square meters, and about 600 square meters are used as an exhibition hall. Various materials on joint-stock companies in the 1930s, the name of the factory inscribed by the vice-chairman of the Military Commission of the Nationalist Government, land transaction contracts from the Qing Dynasty, and unique equipment that has not been moved since its installation. , beautiful fonts, etc., are fully displayed here, comprehensively reflecting the development process of Hengyuanchang in that year, and also vividly mapping the history of the development of China's national industry.