Which RFID reader to choose for a huge warehouse?

Question

RFID

There is a certain huge warehouse of goods with a size of 500 x 500 m.
There was a need to apply RFID tags to goods, so that they could be conveniently read later.

What RFID reader and RFID tags would you recommend purchasing for such a warehouse in order to read 100-200 tags at once? From a distance of 100-200 meters.

Who faced with the installation and configuration of RFID systems? Which manufacturers are better and better quality? The budget is not very important, the main thing is that there are no collisions when reading from a long distance