atc cnc router with mechanical drilling frame

Some buyer is confused ,because all they are not confident of chinese machine.some chinese machine did cheaper, but price also cheaper.
they use simple frame,copy rail guide, gear and ballscrew etc. 

The machine will be appear problems after use the machine sometimes. like the accuracy problem, sliding block died etc.
lots problem will make your machine down, you have to stop all your project. that will make trouble.