I refuse to authorize any foreign company!

After all, it was only 300 yuan, so it was not worth it.

This would minimize the risk of such a thing happening.

Of course, if there were really brainless people or lucky people, they would be caught as a classic example.

A moment later, a researcher ran over to report and came to a conclusion. He already knew how deep the number could be engraved would not affect the purification grass.

After the conclusion was reached, the rest was left to Shen Li to handle. This was considered after-sales service.

He would communicate with the county and send someone to mark the purification grass in you city with a serial number, then enter it into the police database of you city.

This was also an experience for the laboratory. In the future, for such urban transformation, the purification grass must be engraved with a number first.

after sending chen li off, qin lin also found yun fei, the head of the laboratory's security, to ask about the security situation.