1927 John. W.Hammes, a designer and inventor in Wisconsin, USA, invented and designed the first food waste disposer for his wife. After continuous design and improvement, Mr. Hames began to sell his food waste disposer publicly and founded Aishiyi Company. Since then, Ai Shiyi Company has become the leader of food waste disposer.

1940, the function of food waste crusher was confirmed by research, and the bone crusher became a new star of environmental protection.

According to the building code of Detroit, Michigan 1955, all urban buildings that will lead to food waste built after 1956 65438+ 10/must be equipped with pre-approved food waste treatment equipment, and it is illegal for anyone to use buildings without such equipment.

1985, W.J.Biu.Thom, Mayor of Anaheim, California, said in the government work report: "The widespread use of food waste shredders in our city has benefited the general public."

65438-0999 The New York City Government organized experts to evaluate the impact of garbage disposal projects on the environment, and concluded that large-scale installation of food waste shredders would not have a negative impact on the environment;

In 2003, the utilization rates of kitchen waste shredders in Beijing, Shanghai and Guangzhou reached 4.3%, 3.8% and 3.5%, respectively, which increased by 124%, 98% and 107% respectively over the previous year.