Arm & Hammer Ahmet is a well-known church &; Dwight's brand was originally arm &；; Hammer Aimei is the brand name of baking soda produced by two founders of the company. It was originally sold as a commodity by two New Englanders-John Dwight of Massachusetts and his brother-in-law Dr Austin Church of Connecticut.

John Dwight and his brother-in-law Dr. Austin Church started making baking soda from 1846. The first factory was his own kitchen. John Dwight personally put baking soda powder (scientific name: sodium bicarbonate) in a paper bag.

1 year later, John Dwight founded a company and chose the cow logo as the trademark of this small baking soda powder. The standard package at that time was one pound. The reason why cows are chosen as trademarks is because yogurt will be used in the baking process. Because this kind of baking soda is becoming more and more popular, Dr. Church thinks that to meet the market demand, it is necessary to develop larger manufacturing equipment. So Austin Church and his two sons, James A Church and E Dwight Church, set up another joint venture company. The company used a new brand "arm &；; Hammer "(Love and Beauty) is used as a trademark to sell this kind of baking soda powder.

1896, the descendants of two founders, John Dwight and Austin Church, decided to merge the two companies, so Church &; Dwight company was established.

Nowadays, baking soda is no longer confined to the kitchen. It can be used in the whole room, for housework and personal hygiene and many other aspects.

arm &； Hammer Ai He Xiao Mei baking soda powder has now spread all over the world, arm &；; Hammer Ai He Midea's products also involve daily consumer goods such as toothpaste, washing powder and detergent.