These channels are the first-hand channels for the release of bidding information. Their advantages are comprehensive authority, but their disadvantages are that the retrieval is very troublesome and the relevant information is not concentrated, so it is difficult for users to screen the information of their own industry.
Second, third-party platforms (Huobiao.com and other high-quality bidding platforms)
The third-party platform has a large amount of information data, which makes it convenient to retrieve its own industry information. Personally, it is recommended to use it. There are several free signs to check every day, which is more friendly to individuals.