How to save&load every Transform data of a child of a GameObject?

Hi, I want to know, How do I save every child within a GameObject called BuildingParts, I want to save the Name, Position and Rotation of the Object into a file called "SaveData.save", I've tried using Xml but players could then easily edit the Xml files. Afterwards, a Load function to load all the saved data but Instantiating Prefabs to the according Position and Rotation and then rename to the saved Name.

• BuildingParts

  1. Part1

  2. Part2

  3. Part3

Thanks in advance! :)