TAIPEI -- Pegatron has become the latest ODM to be targeted by workers’ rights groups for poor working conditions in China.

In a report this week, Students & Scholars Against Corporate Misbehaviour (SACOM), a labor rights watchdog, accused the contract electronics design and assembly company of pushing employees to work excessive overtime and failure to offer promised breaks.

The alleged abuses took place at a Shanghai factory of RiTeng Computer Accessory Co., a Pegatron subsidiary. The company also made news last year when an explosion a a Shanghai factory hospitalized 61 workers.

Per SACOM, RiTeng workers sometimes perform as much as 200 hours of overtime a month, five times the legal limit. Workers interviewed by SACOM reported not always getting paid for their overtime, and complained RiTeng fails to give them the 10-minute breaks every two hours as promised.

Interns at the factory, who make 85 yuan ($13.20) a day, including overtime, reported their teachers require them to work at the factory in order to earn their diplomas.

SACOM also alleged poorly factory maintenance. A preliminary investigation found that last year’s explosion could have been caused by aluminum dust.