45 ACP Headstamp Help Please

Hi Fella’s
I have 3 45 ACP rounds that i would like Help ID-ing. I am Interrested in the Country they are from.
1st round just has 45 at 12 o’clock and 70 at 6 o’clock
Second and 3rd round have a small circle about the size of a Nato symble @ 12 o’clock. Inside the citcle there is a line horizontally cutting the circle in half. Above and below the horizontal line there are circles. At first galance they look like an 8, with the horizontal line cutting the 8 in half. i know a picture would help, sorry. Then there is 37 @ 9 o’clock and 6 @ 3 o’clock.
Another with the same logo has 36 at 6 o’clock and 10 at 3 o’cloks. I think China but i cant be sure. Thanks In Advance, joe

Pretty sure the first is the ROC, Taiwan/Republic of China, and the second is mainland China, Nationalist China, just a year or so before the communist take-over.

Thanks Johnyc