At Chinese Factory Where Ivanka Trump Shoes Are Made, an Activist Is Detained -br By KEITH BRADSHERMAY 30, 2017br BEIJING — A labor activist who had been working undercover at a Chinese factorybr that makes shoes for Ivanka Trump and other brands has been detained by the police, as concerns rise over a crackdown on the country’s advocacy groups.br Mr. Hua and two other labor activists had been undercover at two Chinese factories that make shoes for Ms. Trump and other brands.br Li Qiang, the director of China Labor Watch, said that the three labor activists did not have any illegal eavesdropping equipment, and speculatedbr that Mr. Hua and the other activists might have been detained over the use of cellphones.br The activist, Hua Haifeng, who was working on behalf of the advocacy group China Labor Watch, wasbr detained on suspicion of illegal eavesdropping, his wife, Deng Guimian, said late Tuesday.br Mr. Li, who set up China Labor Watch 17 years ago and has conducted hundreds of investigations of Chinesebr factories, said this was the first time any of his activists had been detained in a criminal case.