[...] Deng, a 43-year-old man with shaggy hair, kind eyes and an easy gait, and his son, Yixin, 17, packed their belongings into two small red duffel bags and began the three-day journey from Shenzhen, in Guangdong province, to their home in the mountains high above the Yangtze River in central China. When he landed at the fur factory in July, he thought he had found such a good deal that he persuaded his son to leave his job assembling computer monitors in Dongguan, a town in Guangdong province to the north and one of the hardest hit by the export slowdown, to come join him.