1. government website: China government procurement website and local government procurement website, enjoying an authoritative reputation.
2. Public resource trading center and public bidding service platform: the amount of information is more than the government website, but it is not as authoritative as the government website.
3. Enterprise website: If you want to find the bidding information of an enterprise, you can go to the enterprise website. Usually, large enterprises will have their own bidding and purchasing platforms.
4. Aggregation websites: such as construction, dissemination, comprehensive information and timely update. Update more than 654.38+million enterprise data every day, covering all regions of the country, and you can query the qualification information of enterprises and personnel anytime and anywhere to master the bidding dynamics.