I just received my CNC kit from Keling kit and one of my KL-4030 drivers is bad and I need it replaced quickly. Has anyone had any expierience with their customer service. I am not bad mouthing them at all just wondering what to expect?

If you are sure, just send back, we will ship a band new one to you
www.kelinginc.net

well as you can see they offer fast support, no they offer superb after sale suport