When I bought those Crusader figures, they were being sold by Corvus Beli. I assume Crusader bought them, because the sculpting doesn't match the rest of the Crusader (Mark Sims) figures. (Either different sculptor, or commissioned from Mr. Sims but in a different style.)
The infantry are taller & thinner than GW, Front Rank, Artizan, even Foundry. So while they're slightly more realistic, they don't quite match the others 100% I did what Uryens de Crux suggests, and put them in the back ranks. They are still very well sculpted figures, though!
The cavalry from that range are also nice. Because the horses are so large, they are also some of the best matches for GW. Because even those other companies with bigger infantry usually have tiny horses compared to GW. Here's an example: