Compared with other drinking fountains, the biggest feature of stainless steel drinking bowl is water saving. The stainless steel drinking bowl is deeper and thicker than the ordinary water bowl, which can save water. The working principle of the stainless steel drinking bowl is to use a touch switch, the pig's mouth will produce water when it is touched, and it will not produce water when it is not touched. When pigs are thirsty, they can drink water by touching the switch. Compared with the traditional way of putting water there, it saves a lot. Relatively speaking, the use of stainless steel drinking bowls can also prevent pigs from stepping into the sink and polluting the drinking water.