By Mary Hennock
"We have money problems all the time, we're short of money for food, we can't pay the kids' tuition... it's hard because we haven't had money for more than a year," says Mr Li.
Mr Li is one of 40 mechanics at a transport firm who have been laid off and re-employed at below the minimum wage.
They look uneasy in the lush, green surroundings of Sun Yat-sen University, in the southern city of Guangzhou, where students run a legal aid clinic.