There is no direct relationship. According to the query on Oriental Fortune Network, the two brands of Kechu Haotaitai and Haodaitai have a certain degree of popularity in the market, but there is no direct relationship between the two brands. They are independent brands that produce and sell kitchens respectively. electrical products. Kechu Haotai mainly produces and sells kitchen appliances, such as range hoods, gas stoves, etc., while Haotai mainly produces and sells small kitchen appliances, such as juicers, blenders, etc.