Yan Xinhou (1838- 1907), formerly known as Yan Jingbang, also known as Xiaofang and Xiaofang, was born in Cixi County, Zhejiang Province. Famous industrialist, painter and calligrapher in late Qing Dynasty, one of the representatives of national capitalists in early modern China. Tianjin materialized building is just one of many industries he founded. He also founded Tongjiuyuan Machine Ginning Factory and Tongjiuyuan Textile Bureau in Ningbo, Tongde Salt Company in Tianjin, ZhangSa Ding Village in Laojiu, Yuanfengrun Bank and Siming Bank in Shanghai, and invested in Shanghai Water Supply Company and many factories.
I really can't find the sign number of the materialized building. Here is a picture of ornaments made by materialized buildings. I wonder if it will help the landlord.