android kernel expert root zte z353vl

I need a talented individual experienced with the low level android kernels to figure out how to root zte z353vl. Please dont accept the job and then tell me to use kingroot. none of these type of programs/apps work. The most I was able to get, is with kingoroot a temp root but I it wont allow for to mount rw. The source code for the kernel is over here: [login to view URL](3.4.X).[login to view URL] I attached the [login to view URL]