difference between china/new zealand EQ iron heads

And can you believe that even after measuring the ports to be 150cc 'not 179cc like advertised' that they still wouldn't credit me after the 2nd COMPLETELY DIFFERENT CASTING SHOWED UP.
This is why I tell folks...dont buy from them if can help it. They're fucked, liars and scammers.
As I've always said, cheaper is not always better. Edelbrock, TW, etc sound like a better choice for a cylinder head