Renmin South Road, Luohu District, Shenzhen. The address of Zhengzhou, an English training institution on Wall Street, is Renmin South Road, Luohu District, Shenzhen. Wall Street English was founded in 1972 and is a branch of Carlyle Group, one of the largest investment companies in the world. After 39 years of precipitation, Wall Street English has developed into an internationally renowned high-end English education institution.