More than 50 workers were in the shoe factory in Folong Village, Wenling City when the building collapsed at around 4 PM yesterday, state-run Xinhua news agency reported.
Thirty-three people suffered injuries, four of them serious, it said. Nine others escaped and three were listed missing.
Nine persons died in the hospital while two bodies were retrieved from the ruins today, Xinhua said.
Local authorities have dispatched 53 firefighting trucks, 302 rescuers and five sniffer dogs.