Chinese police had raided more than 13,000 dens as of Tuesday since the Ministry of Public Security launched a campaign to halt the production and sale of counterfeit goods last November.

Officials with the ministry said in a tele-conference Tuesday that police had detained nearly 29,500 suspects and broken up more than 4,900 wholesalers or groups involved in intellectual property rights (IPR) violations.

During the period, police solved more than 15,800 IPR violation cases, which involved a total value of 13.11 billion yuan (2.03 billion U.S dollars).

In the later half of this year, police will press ahead with a concerted crackdown on fake products in the agricultural sector, counterfeit medicine, adulterated food and copying of famous brands, according to Liu Jinguo, vice minister of public security.