BEIJING — China's chemical fiber industry recorded a surge in its profit in the first seven months of 2021, according to official data.

From January to July, the total profit of major chemical fiber companies in China was 38.24 billion yuan (about $5.92 billion), up 384.5 percent year-on-year, data from the Ministry of Industry and Information Technology showed.

The combined operating revenue of these companies increased by 36.6 percent from a year earlier to 568.9 billion yuan, according to data.

Data also showed that the country's output of the chemical fiber reached 39.34 million tons, up 16.3 percent year-on-year.