Where do the stores selling all kinds of grains buy their goods?
Where are you from? You can usually get in at the gate of grain bureaus everywhere. If you want a cheaper price, go to your local grain and oil wholesale place to get oil, or you can call the agent directly, and they will deliver it to your door. If it is flour, you will go to the flour mill, and they will also deliver it. The general brand has agents in every place. You can find local agents by calling their company. Basically, they will deliver it to your door.