Hundreds of teachers went on a strike on Monday at two middle schools in Ji'nan, east China's Shangdong province, demanding a raise in salary, local online news portal sdnews.com.cn reports.

A deduction of monthly subsidies fueled the strike, after teachers had been working for eight consecutive years without a pay raise.

Teachers enjoy a monthly subsidy of 500 yuan on average in Ji'nan, but they haven't been receiving the money since 2014, according to a teacher who wished to remain anonymous.

One of the teachers said it was not about the money, they are demanding justice and what's rightfully theirs.

Another teacher said they were determined to exert their stance as long as the problems remain unsolved.

Students were given free periods at school while the teachers were on strike.

Teachers made up for the classes after school hours to make sure students were not affected.

One of the schools issued a response on salaries and bonuses but hasn't addressed all the issues.