A man surnamed Liu and his son, the legal representative, the boss of the company, and the factory director surnamed Hong were captured by local police.
The 13 dead, all female, were confirmed to be workers for the company, including 10 locals and three from outside of the town, police said.
The fire broke out at 12:43 p.m. Friday at the four-storey building of the Chuanghui Textile Co., Ltd. located at the Xinpo Village, Gurao Town in Guangdong Province, according to the Shantou municipal public security bureau.
The injured worker has been rushed to a local hospital, police said, and an investigation into the cause of the fire is underway.