Because of its high cost performance, the line of the tile mover's machine room has become very popular in China in recent years, and even there is a saying that VPS=heirloom is 2.99 yuan/year. Because it is cheap and easy to use, it can't be bought at all. Friends who often browse the tile removal website will find that their home lines are called many ways, DC1/DC2/DC4/QNET/CN2/Dir