Snap7 with Qt (.dll,.lib,makefile)

I would like to use Snap7 folders with Qt MinGW compiler,How can I manage it. website: http://snap7.sourceforge.net if you want to download,you can find in download tab. I have .dll,.lib and in another folder .bat ,Makefile.How do I contact with them .Okay I know How to add in Qt .lib file and .dll and .lib must be ibnn same folder and Qt will see .dll automatically.But My MinGW is in an another folder but in .bat MinGW is in C:.. ,I have to change it and I suppose click the .bat and bat file produce me a makeFile I dont know .then What will I do now with Makefile.