“For a long time there was surplus labor in Guangdong, allowing factories to keep wages low and extend working hours,” Wang said. “Now, China’s middle and western areas have had a lot of growth and are using local labor.”
Shenzhen Daily reported that "MORE than 1,000 workers at a Bao’an plant that makes components for Apple and IBM went on strike Nov. 22 to demand higher pay and better conditions, domestic media reported Friday.
Hundreds of police, some in riot gear, were deployed after staff at the Jingmo Electronics and Technology Co.’s factory blocked a highway to protest against long working hours.
Staff said they commonly worked 100 to 120 hours of overtime a month. They said they also suffered a high rate of workplace injuries, mass layoffs of older workers and frequent verbal abuse by managers. "
Source: Shenzhen Daily.