 China Daily estimated that there were a total of 310 re @-@ education centers in China in 2007 . The 2008 edition the Laogai Research Foundation 's biennial report listed exactly 319 " confirmed " re @-@ education centers in China , and 74 " unconfirmed " ones , but estimated that the actual number might be much <unk> the provinces with the most centers being Guangdong ( 31 ) , Heilongjiang ( 21 ) , and Henan ( 21 ) . In a February 2009 meeting of the United Nations Human Rights Council , the Chinese government stated that there are 320 centers . The provinces with the most re @-@ education centers include Guangdong , Liaoning , Heilongjiang , and Henan . As at the end of 2008 , there were 350 labour camps in which were held 160 @,@ 000 prisoners . 
