From a different country, so I don't think the brand would be relevant. It's just standard WPC with very plain, minimal packaging and labelling, with nothing added or whatever.
Not chalky. I have tried WPI, and it was a lot smoother I must admit, and slightly higher protein %, but all in all, WPC does the job for me. And ends up a lot cheaper, per gram of protein.
But some people swear by WPI. Or that other kind, that I can't remember the term for. And using flavoured WPI or WPC (or blends) is extremely
popular. I don't mind the basic "milky" taste, but I'm just weird that way.