Questions about KH keep coming up lately, so I will attempt to summarize the common thoughts. Their products are of good quality, in that they're very tough, but their fit and finish is almost always below the quality of Himalayan Import's khukuri's (which you pay more for). Apparently their shipping and customer service are pretty good despite being based out of Nepal, and HI's customer service is impeccable (with incredibly quick shipping from Reno, NV as well).
You can't go wrong with either, but many users will endorse HI before KH here. I only have HI product so I can't compare the two, but I will say it's pretty much everything I expected and more.