If I'm not mistaken, I have a set of 8 pterosaurs marked with SH as well. It appears to be a Chinese company of low-end figures, but it's otherwise hard to say which one.
_________________
I used to have an online store, but now it's a Blog exploring the variety in my collection! Fauna Figures Toys & Collectables
[You must be registered and logged in to see this image.]I'm also a big freshwater fish-figure fan. Know of anything new and exciting? I need to know as well!