More than 1,000 auto companies are probed

Antitrust investigations have spread to other industries, sources disclose

More than 1,000 Chinese and overseas companies in the auto industry, including manufacturers, suppliers and dealers, are involved in anti-monopoly investigations, according to an official at China's top economic planning body.

Antitrust investigations already announced in the auto and telecommunications sectors have spread to other industries, say sources close to the probes.