Those are high end sex workers and charge about 1,500+ yuan each time. The head pimps are usually Chinese with bunch of foot soldiers doing street work. Foreign prostitutes with all races have been common in China, especially in big cities. Most of their customers are rich Chinese and visitors from other countries. Prostitution is illegal in China. IF CAUGHT the pimps are subject to prison terms and the girls will be deported. The customers will stay in jail for a few days and pay big fines up to 5,000 yuan.