According to an article that Xinhua published on October 2, the statistics that the public security bureau released reveal that telecommunication scam cases have grown 20 to 30 percent each year in China. In 2015 there were 590,000 reported telecommunication scam cases, which resulted in financial losses of 222 trillion yuan (US$33.45 trillion). Most of the cases involve scams such as claiming lottery numbers; tax refunds or rebate benefits; unsecured bank accounts, and court orders. Some of those who commit such scams have moved overseas and now operate in such foreign countries as Laos, Taiwan, or Indonesia.
Source: Xinhua, October 2, 2016 http://news.xinhuanet.com/fortune/2016-10/02/c_129309678.htm