Back when the CZ-75 was produced behind the Iron Curtain and it was almost impossible for the rest of the world to get one, Fratelli Tanfoglio designed the TZ-75. It was a simplified CZ-75 with a slide mounted, hammer dropping safety. That arrangement did not satisfy everyone, so they came out with the TZ-75 Series 88, which had the frame mounted safety that allowed for cocked and locked carry and no hammer dropping feature. The Springfield P-9's, TZ-75's, TA-90's, Jericho, Witness, and Baby Desert Eagle (probably a bunch more that I have forgotten) are all products of Tanfoglio. They make the basic parts, ship them to the various manufacturers who do the final machining and assembly.
So, these pistols are not exact clones of the CZ-75, they are a simplified design derrivative.