Hello

He may be using imported beans to squeeze the oil, imported beans are also called genetically modified soybeans, the price of 1.5-1.7 yuan a pound. The oil yield is high, the price is low, and the cost of all the oil extracted is low, down to about $3.

Also above, the oil cake 4 yuan a pound, this figure is not accurate, the current price of GM soybean cake 1.5/1.6 yuan a pound.

Soybean oil cost profit analysis reference:/shownews.asp?id=288

I hope my answer can help you!