I own many BL pieces. Bought from them while in Germany. About 20 pieces...
Everything is well made and as good as any low cost American glass however, it is made in China, but quality control is done by Black Leaf. Not sure if the factory is captive or not, but it is their designs made to order for them only. They do have talented blowers, just wonder how they are treated though. There is a video from Black Leaf inspecting their factory - marketing stuff really in the Black Leaf thread. It clearly shows its China
The Octobong pair are some of my favorite pipes, one for vapor, one for flower. The function and taste are excellent and got for a song also. If I break one, no big deal. Their Blaze line is their upper end stock. Mostly oil now, but their flower stuff is good to.
If you are looking at their stuff PM me, I can give you some information about it or images/vids plus where to get one at a good price like I did - nothing in it for me, just sharing the wealth. I did put up a few vids in the BL thread.