Illegal. Cheese inquiry indicates that the state has formulated a unified system for collecting, processing, inquiring and publishing credit information of commodity circulation, established an intergovernmental credit information sharing system and a public credit information service platform for commodity circulation, and the public provides inquiry services. The state encourages third-party professional credit evaluation institutions to provide credit services. Article 40 A promoter shall establish a credit evaluation system and a credit disclosure system for trading in a trading place, and prohibit floor operators from making false credit evaluations by themselves or through others.