Granite is hard and dense in texture, high in strength, weathering resistance, corrosion resistance, abrasion resistance, low water absorption, and its beautiful color can be stored for more than a hundred years. It is a good material for construction. Due to its high hardness and abrasion resistance, it is also the first choice for outdoor carving in addition to high-level architectural decoration projects and hall floors.Granite is a kind of rock that is very widely distributed. Many countries in the world produce granite. 9% of China's land (about 800,000 square kilometers) is composed of granite rock mass.