 An official in charge of ethnic and religious affairs in Guangdong said that the province had hired <unk> , aged from 18 to 29 , in May . A small group of Uyghurs arrived on 2 May , and workers at the factory remarked that relations between the two groups deteriorated as the number of Uyghurs increased . State media confirmed that all the workers were from <unk> County . China Labor Watch reported that workers at the Shaoguan factory , where the Uyghurs were employed , earned 28 yuan per day compared with 41 @.@ 3 yuan in its factory in <unk> . They noted that rights of workers , Han and Uyghur alike , were frequently violated by verbal abuse from factory supervisors , unpaid overtime , poor dormitory conditions and illegal labour contracts . Li <unk> , executive director of China Labor Watch said that low pay , long hours and poor working conditions combined with the inability to communicate with their colleagues exacerbated deeply held <unk> between the Han and Uyghurs . 
