Yien Yieh Commercial Bank

Yien Yieh Commercial Bank (Chinese: 鹽業銀行) was a bank in Hong Kong. It was established in Beijing in 1915 by Mr. Zhang Zhenfang (Chinese: 張鎮芳), the cousin of Yuan Shikai, to specialize salt industry with official funds under government supervision. Yien Yieh Commercial Bank, Continental Bank, Kincheng Banking Corporation and China & South Sea Bank were called "four northern banks" in 1920s in China.

In 1952, it was grouped into the "Joint Office of Joint Public-Private Banks" with other 8 Chinese banks. In 2001, it was merged to form Bank of China (Hong Kong).

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