1. Workers' fatal accidents: 20 17 and 20 19. Two workers' fatal accidents occurred in Zhongke Song Xin Company, which aroused widespread concern and condemnation in society.
2. Intellectual property disputes: Zhongke Song Xin Company was accused of infringing the patents and trademark rights of other companies, and was repeatedly asked to pay huge compensation.
3、
Staff layoffs: In 20 19, Zhongke Song Xin Company laid off more than 200 employees due to poor performance, which caused many employees' dissatisfaction and protests.