There has long been a problem since the government stopped providing retirement benefits to the factory’s retirees. Employees of the factory appealed many times and even confronted the government many times. Each time they were suppressed. When the people became completely desperate, all Party members at the factory decided to renounce their membership in the Party.
Sources:
Radio Free Asia, June 29, 2015
http://www.rfa.org/mandarin/Xinwen/5-06292015111801.html
Human Rights Defenders, June 29, 2015
http://wqw2010.blogspot.com/2015/06/blog-post_375.html