A water dispenser is a device that heats or cools bottled purified water (or mineral water) and makes it convenient for people to drink. Place bottled water above the machine and use it in conjunction with the bottled water. Water dispensers can be classified into three types: warm, ice hot, and ice warm. Ice hot dispensers can also be divided into semiconductor refrigeration water dispensers and compressor refrigeration water dispensers. Place barreled water above the barreled machine and use it in conjunction with the barreled water. Bucket water dispensers appeared before the mid-20th century. These water dispensers were designed as a specialized connector on the top of the body to place the bucket upside down. The latest foreign water dispensers place the bottled water at the bottom of the machine and are sucked in by a suction pump. This method is safer and more hygienic than conventional water dispensers. Due to the differences in water dispensers, there are also many specifications of the bucket. In the United States and China, most use 5-gallon barrels, while the standard specification in other countries or regions is 18.9 liters (also known as 19 liters or 20 liters). The pipeline is connected to the purified water source through pipelines and used in conjunction with the water purifier. Pipeline water dispensers (also known as pipeline water dispensers) are directly connected to the main water supply source (such as tap water) through the use of connectors and water pipes, and are also connected to the main water supply source through a water purification system. In short, there is no need for a bucket. Barreled water and tap water have always been at odds in the market, but in some hotels, restaurants, and entertainment venues in Europe, pipeline water dispensers have become increasingly mainstream. This also indicates that there are many market opportunities for traditional office based piped water dispensers. Due to cost savings, especially in high consumption areas, the market share of pipeline water dispensers is gradually increasing. In fact, the pipeline water dispenser industry in Europe has shown a significant turnaround, reaching a new stage of development and giving birth to many important opportunities. The number of companies associated with this is also constantly increasing, and they are all optimistic about these opportunities