Sun Baoshu, Vice Minister of Labor and Social Security, and head of the investigation group, announces in a press conference that 277,000 work units employing 12.67 million workers have been inspected during a campaign to crack down on illegal kilns, mines and workshops. A total of 147 people were arrested, and 98,000 working units ordered to sign contracts with 1.5 million workers, as well as pay overdue salaries and compensation totaling 130 million yuan ($17 million).