However, in recent years, China has developed a lot of hard sandstone material, and the physical and technical indicators of these sandstone is able to meet the requirements of polishing
Can be polished, but to see the specific varieties of sandstoneBecause sandstone usually gives the impression that the texture is soft, it can not be polished,So most people don't think sandstone can be polished
Like most of Shandong Shanxi and Hebei sandstone can be polished,Shandong purple sandstone water such as grinding and polishing can
