That's L1-B. L1-A (manager) has different requirements. But in any case you need to be high up in the org chart. "Project manager" won't cut it.
It gets harder the more you hire. Say you are the only one who knows about technology X (i.e., you created it). It is easy to make your case. It won't be as easy when you are employee #100.
Also, after a certain percentage of workers are on that visa, the fees get much higher.
I don't think it has minimum wage requirements, but good luck getting a low salary approved. You are supposed to have a unique skill set and proprietary knowledge, after all.
Disclaimar: I'm on L1B.
Amends the Immigration and Nationality Act to establish an annual cap on H-1B nonimmigrant visas (specialty occupations) at between 115,000 and 195,000 visas depending upon market conditions and existing demand. (The current annual H-1B cap is 65,000.) "
https://www.congress.gov/bill/114th-congress/senate-bill/153
Seems unambiguous.