Free of charge are:
1, government procurement website
Including China government procurement network, provincial government procurement network, the most authoritative and official, you can view information for free.
2. Public Resource Trading Center
Including the national public resources trading center and regional trading platforms. The information can be viewed for free, and the amount of information is more than that of purchasing websites.
3. Company website
Many large and medium-sized enterprises have their own bidding and purchasing platforms, and will release some bidding and purchasing information for suppliers to consult, such as China Merchants Group and Haier Group.
Paid websites mostly refer to third-party bidding platforms, which now account for the majority. Compared with free websites, they have more information, higher timeliness and more functions. In addition to basic bidding and purchasing, they can also view the information of enterprises and personnel under construction.
There is also a particularly useful function-bidding subscription; That is, users can set their own keyword subscriptions, and the platform will automatically push the bidding information to you, so that we can get the bidding information at the first time.
Common payment platforms are as follows:
These are my personal opinions, and I hope they can help you. You can experience these platforms yourself and choose one that suits you.