Founded in 1873, Kohler is one of the most familiar bathroom brands among consumers around the world. In 1883, the first Kohler bathtub was born, in 1911 the monolithic cast enamel bathtub was developed, and in 2002, the Suck overflow jacuzzi was awarded the Gold Medal for Outstanding Product in Industrial Design by the Industrial Design Society of America. Today's Kohler bathtub materials include acrylic, cast iron, and kimei stone. Kohler started with the production of cast iron products, so its production technology, styling design and performance are in the leading position in the industry. The brand's cast iron bathtubs have a thick glaze, are easy to clean and durable, rich in color, 93% of the material is recyclable, and the average cost is more expensive than that of acrylic material. The "bubble bath" in the acrylic bathtub is more popular with consumers. On the whole, the price of the product is medium and high-end, but its domestic after-sales response is generally poor, and the cost performance is medium.