I don't trust whatever paint comes on aftermarket metal parts, EDP or anything else. I can't tell by looking at it to be sure if it is EDP, and I don't know what kind of prep was done before the EDP or any other paint was applied.
And no, EDP will not hold up on unseen parts.

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission