Hawkeye checks whether the bid is true. Hawkeye is a legitimate business enterprise registered and licensed by the Ministry of Industry and Information Technology. Is a bidding website with relevant qualification certificates and formal business certificates. In terms of timeliness, it is updated every day, and the number is huge enough to meet the demand. Industry, including transportation, engineering construction, water conservancy and other industries bidding information. In addition, there are bidding subscriptions, without missing any effective bidding information, and opponents are monitored to achieve invincible victory. Bidding refers to a kind of market transaction behavior in which the conditions and requirements for purchasing goods, projects or services are disclosed within a certain range, many bidders are invited to participate in bidding, and the trading objects are selected according to the prescribed procedures; Bidding refers to the behavior of bidders to submit their tenders to the tenderee within the specified time limit at the invitation of the tenderee in accordance with the conditions stipulated in the tender announcement or tender sheet.