There are many kinds of mineral trace elements in the stone mill. When the stone mill rubs with the grain naturally, the mineral nutrient elements enter into the raw grain, which is naturally mixed and integrated, and the nutrition is more abundant. Stone mill is a kind of machine used to process grains such as rice, sesame, wheat and beans into flour and pulp. It began to use human or animal power. In the Jin Dynasty, China invented water mill powered by water. It is usually made of two pebbles.

磨是平面的兩層，兩層的接合處都有紋理，糧食從上方的孔進入兩層中間，沿著紋理向外運移，在滾動過兩層面時被磨碎，形成粉末。主要適用于家庭、飯店、、餐飲業的生產加工，低速研磨、原汁原味。可加工豆漿、米漿、芝麻醬、香油、花生醬等。

The grain enters into the middle of the two layers from the hole above, moves outward along the grain, and is ground to form powder when rolling through the two layers. It is mainly suitable for the production and processing of family, hotel, supermarket and catering industry, with low speed grinding and original taste. It can process soybean milk, rice milk, sesame paste, sesame oil, peanut butter, etc.

石磨豆漿的營養是豐富多樣的，豆漿含有鐵、鈣、磷、鎂等人體必須的多種微量元素，還含有植物油和豐富的蛋白，素有“植物肉”之美稱。傳統的加工工藝-石磨運轉均勻速度慢，磨出的豆漿既均勻又細能讓豆類產品充分釋放蛋白質，含有的獨特礦物質與大豆營養元素天然混合、渾然一體。

The nutrition of Shimo soybean milk is rich and diverse. Soybean milk contains iron, calcium, phosphorus, magnesium and other trace elements necessary for human body. It also contains vegetable oil and rich high-quality protein, so it is known as "plant meat". The traditional processing technology, stone mill, runs evenly and slowly. The milled soybean milk is both uniform and fine, which can fully release protein from soybean products. The unique minerals and soybean nutrients are naturally mixed and integrated.

指出，夏季人體營養流失較快，且不容易吸收，盲目進補的話容易引起上火。因此，夏天進補要以均衡營養、降溫怯火為前提，不宜進食燥性補品。而豆漿中富含蛋白質、維生素、礦物質等養分，經常飲用能均衡人體營養，調整內分泌，對降低膽固醇、減輕動脈硬化、高血壓及保肝等有一定的幫助；同時，豆漿還有消暑之功效。

Experts pointed out that the loss of human nutrition in summer is fast, and it is not easy to absorb, blind supplement is easy to cause fire. Therefore, summer tonic to balance nutrition, cooling and fire as the premise, should not eat dry tonic. Soybean milk is rich in protein, vitamins, minerals and other nutrients. Regular drinking can balance human nutrition, adjust endocrine, reduce cholesterol, reduce arteriosclerosis, hypertension and protect liver; At the same time, soybean milk has the effect of relieving summer heat.