No, there are genetically modified and non-genetically modified soybean oil at Wanjia Banquet, and the oil drums are registered and marked. Please check it carefully when buying. Wanjiayan 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 of soybean oil, the lighter it should be, yellowish, clear and transparent, without sediment and fishy smell. High-quality soybean oil below zero degrees Celsius will have oil crystals.