Yes. Self-built houses in rural areas generally do not have a reliable bottom line. When using such high-power electrical appliances, a leakage protection switch must be installed, so it can be installed. Xiaochubao is a water heater brand owned by Hangzhou Kangquan Water Heater Co., Ltd. Hangzhou Kangquan Water Heater Co., Ltd. is the holder of the Xiaochubao trademark. Kangquan has registered the Xiaochubao trademark for this category of products.