"They're a group that specializes in performing and outsourcing 2D and 3D drawings with file extensions PDF and JPG into file extensions 3D max and Autocad with high quality and competitive prices" Re the blue highlights: "3D max" and "Autocad" are not file extensions. They are programs. They have their own native file extensions - Autocad uses DXF and probably others; I don't know what extension(s) 3D Max uses.
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