1, it is a hot-selling brand, which sells well and is in short supply.
2, high production cost, limited production, resulting in no supply. Butter is a kind of solid grease processed from milk, which is the product of mixing fresh milk and filtering some water from the thick objects on the upper layer. Mainly used as seasoning, rich in nutrition but high in fat, don't eat too much. In the 5th century BC, the Huns had been mainly engaged in animal husbandry, and various production technologies of dairy products were mature and spread at home and abroad. What foreigners call butter is the edible oil refined from the milk that China people call cream. Huns are the earliest people who processed edible butter in the world.