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After this, he had two groups of eight horses each to pull the brass ball in opposite direction. However, the ball cannot be torn apart. This famous Magdeburg hemispheres experiment has opened a new page of the vacuum application in the history of mankind. As a pioneer and leader in vacuum applications, Hokaido is one of the earliest manufacturers of vacuum equipment. Since established, Hokaido has been leading the development of vacuum technology for the industrial applications over the world. With the continuously developing and daily internationalizing, Hokaido has built more than 60 highly modernized manufacturing centers with first-class processing equipments installed over the world.