Often paired with these markings is a "UL File Number" starting with 'E'. You can look this up on the UL Solutions Product iQ database to find the actual manufacturer of the board. How to Find the Right Datasheet
Why is this specific combination (SH1 + 94V-0) so popular? Because it is the workhorse of low-voltage AC to DC conversion. sh1 94v0 datasheet free
: Plug that "E" number into the UL Product iQ database to identify the actual manufacturer and material grade. Often paired with these markings is a "UL