... 1)High oil content , high purity and less imperfect seeds 2) Growed in Hetao Plain,Inner Mongolia. 3)High ... .We are We are professor in exporting sun flower seeds for years !Our factory located in wu yuan county , ... hetao plain one of the best sunflower seeds orgin of China..The seeds are plump,clean, less vermin damage, ... inquiry are more then welcomed! Black filled sunflower seeds for oil or for bird