Founded in Wisconsin in 1873, it is one of the largest privately owned and family-owned businesses in the United States. In 1929, Kohler Katherine was collected by the Metropolitan Museum of Art in New York, USA, and since 2002, Kohler has historically won the Outstanding Product Award for Industrial Design from the Industrial Design Association (IDEA) for four consecutive years, and the Kohler Concept Toilet won the International Red Dot Award in 2007. Kohler has entered the Chinese market as early as the 20s of the last century, and Kohler sanitary ware has been used in Shanghai Peace Hotel, Jinjiang Hotel, Daguang Theater, etc., and it has been a supplier of sanitary ware for Shanghai Grand Theater since 1930. Kohler's sales have maintained rapid growth in recent years, with a double-digit market share. However, compared with products at the same price, the glaze antifouling is average, and the cost performance is average.