Wuhu is salad oil produced by COFCO. Yuanbao is salad oil produced by Arowana. Both kinds of salad oil are extracted from genetically modified soybeans, which are low in price and mainly used in catering industry, and there are few in the market. The quality of the two oils is similar, and there is no essential difference.

Soybean oil is an oil extracted from soybean, which is often called "soybean salad oil" and is one of the most commonly used edible oils. The longest shelf life of soybean oil is only one year. The better the quality, the lighter the color, pale yellow, clear and transparent. And there is no sediment, no bean smell, and high-quality soybean oil below zero degrees Celsius will have oil crystals.