(Loretta Tofani/Special to the Tribune)

Patients in the Guangdong Hospital for Treatment and Prevention of Occupational Diseases. The patients in this photo had been poisoned by carcinogens and other toxins while making cell phone shells, sport shoes and batteries for American consumers. The woman knitting, Xu Genyi, worked in a metal products factory that supplied cell phone shells to U.S. companies. Xu suffered from ethane poisoning.