Anhydrous butter(AMF) is made from the yak milk with high quality in a scientific way.It is a product consisting of more of less pure milk fat,contains no chemical additives,preservatives, flavours,foreigh fats or other impurities, and an excellent form for storage and transportation of butterfat.Anhydrous milk fat is suitable for recombination and reconstituation of milk,and is widely used in the ice cream and chocolate industries.