The workers argue that Amazon isn't paying them enough, while the company says they're actually paid at the upper level of their grade.
More than 600 people walked off the job over the weekend following a dispute over pay.
German labor union Verdi tells workers to go on strike after Amazon decides against wage-agreement talks.
About half of the workers at Amazon's distribution center in Leipzig -- 500 people -- have gone on strike, according to a report.
The e-commerce giant doesn't seem too worried about thousands of German factory workers threatening to strike during the busy holiday season.
Striking employees in China say they were forced to sign new and weaker contracts because of the Microsoft purchase.
The retail giant will not be seeing its first established union in the United States.
The workers have been asked for higher standards without adequate training, according to a report.
Workers at a key Foxconn facility producing iPhones went on strike earlier today, according to a report from a Chinese watchdog group.
Samsung has denied any child workers were employed at the factory where its mobile phones are made.