I bought some of the Chinese plated laps on Amazon from Hans Lapidary, and have to say I’m pretty happy with them I bought 100, 260, 600, 1200, and 3000 grit toppers in 8″, for far cheaper than American made laps. As noted above, they are heavily loaded with diamond, and are very aggressive cutters. The only problem I found was a bump near the edge of the 1200 lap, which makes girdling a problem, as the bump is within about 1/2″ of the edge. I just use the inner area on that lap.
I still have a worn out dyna lap in 1200 that I use for prepolish, but it is so slow I won’t be using it much longer.
Bottom line….I will be buying some more of the Chinese laps!