Fuzhou Industrial and Commercial Bank Gulou Station. Every bank can change residual coins. The fastest bank in Fuzhou to change residual coins is the Industrial and Commercial Bank of Fuzhou Gulou Station. Fuzhou, referred to as "Rong", also known as Rongcheng, was called the capital of Fujian in ancient times. Fujian Province is a prefecture-level city, provincial capital and I-type big city, located in the east of Fujian Province, the lower reaches of Minjiang River and coastal areas.