Sunlight filters through a pyramid-shaped glass skylight, illuminating the circular main hall at No. 21 Chaoyang Street. This three-story brick-and-concrete structure, completed in 1929, was built to project absolute authority. Covering 1,500 square meters, its symmetrical facade bears stone reliefs of plum blossoms and wheat sheaves, masking the heavy defensive walls and secure vaults of a fortress.

The institution began in the winter of 1905. General Zhao Erxun secured 300,000 Shenping silver taels to establish a financial bulwark against the flood of Japanese military notes during the Russo-Japanese War. By 1909, it became the Official Bank of the Three Eastern Provinces. Under the command of warlord Zhang Zuolin, the bank functioned as the economic engine of his military faction. In 1924, finance director Wang Yongjiang amalgamated three regional banks into this single entity, expanding its capital to 20 million Fengtian dollars and meticulously tracking the warlord's military expenditures.

The physical building materialized at the height of this power. Masons laid thick walls designed to protect immense wealth in a volatile era. That security failed on September 19, 1931. The day after the Mukden Incident, Japanese troops stormed the premises. Soldiers emptied the vaults, hauling away 660,000 catties of gold and two million silver dollars. The bank was forced into liquidation and absorbed into the Central Bank of Manchou by July 1932.

In 2024, preservationists began systematic repairs, scraping rust from the original 1929 steel roof trusses and injecting composite mortar to halt water seepage in the basement. The kiln-fired bricks and classical columns continue to hold the weight of modern commerce, anchoring a century of financial history in solid stone. Today, the building operates as a branch of the Industrial and Commercial Bank of China. The original functional zoning remains intact. Bank tellers work beneath the same cornices that witnessed the warlord era.